{"id":74444,"date":"2020-11-13T10:30:30","date_gmt":"2020-11-13T09:30:30","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=74444"},"modified":"2023-11-30T15:47:10","modified_gmt":"2023-11-30T14:47:10","slug":"cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/","title":{"rendered":"Cours sur le deuxi\u00e8me principe Thermodynamique en maths sup"},"content":{"rendered":"<div class=\"Latex_page\">\n<section class=\"has_ae_slider elementor-element elementor-section-full_width elementor-reverse-mobile elementor-section-stretched elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default elementor-section elementor-top-section\">\n<div class=\"elementor-container elementor-column-gap-no\">\n<div class=\"elementor-row\">\n<div class=\"elementor-column-wrap elementor-element-populated colone_elementor\">\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"80393\" class=\"elementor elementor-80393\">\n\t\t\t\t\t\t<div class=\"elementor-inner\">\n\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-5aa8b7b7 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5aa8b7b7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e51b027 sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"e51b027\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-top-section elementor-element elementor-element-1fb153e7 elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"1fb153e7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3aef8c00 strick_col ae-bg-gallery-type-default\" data-id=\"3aef8c00\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b881afb elementor-widget elementor-widget-heading\" data-id=\"3b881afb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Cours en ligne Physique en Maths Sup<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57ca65e2 elementor-widget elementor-widget-heading\" data-id=\"57ca65e2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Chapitres Physique en MPSI, PCSI, MP2I, PTSI<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43140d63 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"43140d63\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-oscillateur-harmonique-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Oscillateur harmonique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73b75c49 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"73b75c49\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-propagation-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Propagation<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bc4f140 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"7bc4f140\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-superposition-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Superposition<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5231021a elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5231021a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-optique-geometrique-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Optique g\u00e9om\u00e9trique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74646ae2 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"74646ae2\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electricite-permanent-transitoire-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectricit\u00e9 (perm.\/transitoire)<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-287a4f3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"287a4f3\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electricite-regime-sinusoidal-force-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">\u00c9lectricit\u00e9 (sinuso\u00efdal forc\u00e9)<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4023cc9f elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"4023cc9f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-mecanique-point-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">M\u00e9canique du point<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63b68e1e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"63b68e1e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-methodes-energetiques-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">M\u00e9thodes \u00e9nerg\u00e9tiques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44e258d6 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"44e258d6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-loi-moment-cinetique-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Loi du moment cin\u00e9tique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a405a57 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2a405a57\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-particules-chargees-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Particules charg\u00e9es<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74e9034c elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"74e9034c\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-forces-centrales-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Forces centrales<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2608c8fd elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2608c8fd\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-thermodynamique-descriptive-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Thermodynamique descriptive<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b31072d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"b31072d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-premier-principe-thermodynamique-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">1er principe de la  thermodynamique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-597fa08 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"597fa08\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">2e principe de la  thermodynamique<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-630c387 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"630c387\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-machines-thermiques-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Machines thermiques<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52fea2b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"52fea2b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-induction-maths-sup\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Induction<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-62d0167f elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"62d0167f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/nous-contacter\/\" class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">CONTACTEZ-NOUS<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n<div class=\"elementor-column-wrap elementor-element-populated colone_latex\">\n<div class=\"style_pag\" style=\"color: #000;font-family: 'Lato', Sans-serif\">\n<div class=\"elementor-text-editor elementor-clearfix\">\n<h1 class=\"Latex_page_title\">Cours de maths sup : deuxi\u00e8me principe de la thermodynamique<\/h1>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\">R\u00e9sum\u00e9 de Cours<\/a> \u00a0\u00a0<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-deuxieme-principe-thermodynamique-maths-sup\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p class=\"colone_latex_ancres\" style=\"text-align: center\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-maths-sup-physique\/\">Cours en ligne de Physique en Maths Sup<\/a><\/p>\n<p style=\"text-align: justify\">R\u00e9viser des r\u00e9sum\u00e9s de cours de physique de Maths Sup est essentiel pour appr\u00e9hender au mieux les concours. En effet, chez les pr\u00e9pas scientifiques, le coefficient de la Physique est tr\u00e8s fort. D&rsquo;o\u00f9 la n\u00e9cessit\u00e9 de bien travailler sur cette mati\u00e8re. Nos r\u00e9sum\u00e9s de cours, nos exercices et nos <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">profs de physique chimie<\/a> compl\u00e8tent bien les annales de physique des concours d&rsquo;\u00e9coles d&rsquo;ing\u00e9nieurs, pour s&rsquo;entra\u00eener en conditions r\u00e9elles.<\/p>\n<\/div>\n<div class=\"style_pag\" style=\"color: #000000;font-family: Lato, sans-serif;text-align: justify\">\n<h2 style=\"text-align: justify\">A. Deuxi\u00e8me principe de la thermodynamique en maths sup<\/h2>\n<h3 style=\"text-align: justify\">1. Evolution spontan\u00e9e du deuxi\u00e8me principe de la thermodynamique<\/h3>\n<p style=\"text-align: justify\">L&rsquo;\u00e9volution spontan\u00e9e d&rsquo;un syst\u00e8me se fait d&rsquo;un \u00e9tat d&rsquo;h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 vers un \u00e9tat d&rsquo;homog\u00e9n\u00e9it\u00e9.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> Si le syst\u00e8me \u00e9tudi\u00e9 est homog\u00e8ne, au contact d&rsquo;un syst\u00e8me ext\u00e9rieur, il tend \u00e0 s&rsquo;homog\u00e9n\u00e9iser avec lui.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> Ainsi, un piston trouvera une position d&rsquo;\u00e9quilibre <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-mecanique-point-maths-sup\/\">m\u00e9canique<\/a> quand la pression du syst\u00e8me sera \u00e9gal \u00e0 la pression ext\u00e9rieure : il y a homog\u00e9n\u00e9isation des pressions.<\/p>\n<p style=\"text-align: justify\">Le syst\u00e8me \u00e9change alors du travail dont l&rsquo;expression infinit\u00e9simale est<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-fa3486627c586b2082071bb19ec153ee_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#101;&#108;&#116;&#97;&#32;&#87;&#61;&#45;&#80;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#101;&#120;&#116;&#125;&#125;&#100;&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"119\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> De m\u00eame si une paroi perm\u00e9able aux transferts thermiques s\u00e9pare un syst\u00e8me d&rsquo;un syst\u00e8me ext\u00e9rieur, il trouvera un \u00e9quilibre thermique avec l&rsquo;ext\u00e9rieur quand sa temp\u00e9rature sera \u00e9gale \u00e0 celle du syst\u00e8me ext\u00e9rieur : il y a homog\u00e9n\u00e9isation des temp\u00e9ratures. Le syst\u00e8me \u00e9change une <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-machines-thermiques-maths-sup\/\">\u00e9nergie thermique<\/a> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8558515d69292da42426e0ef33bf5b64_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#101;&#108;&#116;&#97;&#32;&#81;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"23\" style=\"vertical-align: -4px;\"\/> au contact du syst\u00e8me ext\u00e9rieur de temp\u00e9rature <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-54e8cfa8e7a8eb5af13a9789ee9dfa24_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#101;&#120;&#116;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"28\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0Si au sein du syst\u00e8me, on a h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 de pression, de temp\u00e9rature, de composition chimique, le syst\u00e8me \u00e9volue vers une situation homog\u00e8ne par \u00e9changes internes de travail et\/ou d&rsquo;\u00e9nergie thermique.<\/p>\n<h3 style=\"text-align: justify\">2.<b> Deuxi\u00e8me principe de la thermodynamique<\/b><\/h3>\n<p style=\"text-align: justify\">Un <strong>syst\u00e8me thermodynamique<\/strong> est caract\u00e9ris\u00e9 par son entropie <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-520cb534cd5b6bed768a61515b57cb7e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"12\" style=\"vertical-align: 0px;\"\/>, fonction d&rsquo;\u00e9tat extensive qui est exprim\u00e9e en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a1571775a39b0e5dbeed8b440215977_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"53\" style=\"vertical-align: 0px;\"\/><br \/>\nIl \u00e9change de l&rsquo;\u00e9nergie thermique au niveau de parois perm\u00e9ables aux transferts thermiques, au contact de thermostats aux temp\u00e9ratures <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-775d5b0840fab1ca58e1ac12c9ee64d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"15\" style=\"vertical-align: -3px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cff46ef7b7500487860de536960c4e0d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#105;&#92;&#105;&#110;&#92;&#123;&#49;&#44;&#92;&#108;&#100;&#111;&#116;&#115;&#44;&#110;&#92;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"104\" style=\"vertical-align: -5px;\"\/><\/p>\n<p style=\"text-align: justify\">La variation d&rsquo;entropie est la somme des entropies cr\u00e9\u00e9e et \u00e9chang\u00e9es<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3085e206b4c3d2ff145fe577b41b613d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#114;&#125;&#125;&#43;&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#101;&#99;&#104;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"126\" style=\"vertical-align: -3px;\"\/> avec<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-603a400f219d739c2b70dab030391631_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#114;&#125;&#125;&#92;&#103;&#101;&#113;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"\/>, nulle si la transformation est r\u00e9versible, strictement positive si elle est irr\u00e9versible<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-badf7140554fa8120c2d674ad6f9875b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#114;&#125;&#125;&#61;&#92;&#115;&#117;&#109;&#95;&#105;&#92;&#102;&#114;&#97;&#99;&#123;&#81;&#95;&#105;&#125;&#123;&#84;&#95;&#105;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"45\" width=\"97\" style=\"vertical-align: -21px;\"\/> o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3839ba95b8c5369ec6c5719ddf58aecd_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#81;&#95;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"19\" style=\"vertical-align: -4px;\"\/> est l&rsquo;\u00e9nergie thermique \u00e9chang\u00e9e avec le thermostat <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-695d9d59bd04859c6c99e7feb11daab6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"\/><\/p>\n<h3 style=\"text-align: justify\">3.\u00a0<b>Structure d&rsquo;un exercice de thermodynamique utilisant le deuxi\u00e8me principe<\/b><\/h3>\n<p style=\"text-align: justify\">On peut retenir que le <strong>deuxi\u00e8me principe de thermodynamique<\/strong> ne permet pas de d\u00e9terminer l&rsquo;\u00e9tat final d&rsquo;une transformation.<\/p>\n<p style=\"text-align: justify\">Dans la structure classique d&rsquo;un exercice :<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0On d\u00e9finit un syst\u00e8me dans un \u00e9tat initial.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> On d\u00e9crit une transformation subie par ce syst\u00e8me en donnant un ou des indices d\u00e9crivant l&rsquo;\u00e9tat final.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/> On d\u00e9termine l&rsquo;\u00e9tat final gr\u00e2ce au <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-premier-principe-thermodynamique-maths-sup\/\">premier principe de la thermodynamique<\/a>.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0Ensuite, on calcule la variation d&rsquo;entropie, l&rsquo;entropie cr\u00e9\u00e9e et l&rsquo;entropie \u00e9chang\u00e9e.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0L&rsquo;analyse de l&rsquo;entropie cr\u00e9\u00e9e permet de d\u00e9terminer : si la transformation est r\u00e9versible (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4609469c84d3d922af5ac51e0b2666f5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#114;&#125;&#125;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"\/>) ou si elle est irr\u00e9versible (<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c66264d8bf15bd447b16b95fceadda85_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#99;&#114;&#125;&#125;&#62;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"\/>)<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0On interpr\u00e8te l&rsquo;irr\u00e9versibilit\u00e9 \u00e9ventuelle en justifiant l&rsquo;existence d&rsquo;une h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 interne au syst\u00e8me.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186625\" class=\"elementor elementor-186625\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-6fdc2bbf elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"6fdc2bbf\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-63929347 ae-bg-gallery-type-default\" data-id=\"63929347\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b7eb697 elementor-headline--style-highlight elementor-widget elementor-widget-animated-headline\" data-id=\"7b7eb697\" data-element_type=\"widget\" data-settings=\"{&quot;highlighted_text&quot;:&quot;physique chimie ?&quot;,&quot;headline_style&quot;:&quot;highlight&quot;,&quot;marker&quot;:&quot;circle&quot;,&quot;loop&quot;:&quot;yes&quot;,&quot;highlight_animation_duration&quot;:1200,&quot;highlight_iteration_delay&quot;:8000}\" data-widget_type=\"animated-headline.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-headline\">\n\t\t\t\t\t<span class=\"elementor-headline-plain-text elementor-headline-text-wrapper\">Tu veux r\u00e9ussir en<\/span>\n\t\t\t\t<span class=\"elementor-headline-dynamic-wrapper elementor-headline-text-wrapper\">\n\t\t\t\t\t<span class=\"elementor-headline-dynamic-text elementor-headline-text-active\">physique chimie ?<\/span>\n\t\t\t\t<\/span>\n\t\t\t\t<\/h3>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-294cd54d elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"294cd54d\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-check-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tAcc\u00e8de aux meilleurs exercices et r\u00e9sum\u00e9s de cours\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75a1b33e elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"75a1b33e\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tTravaille sur les annales en autonomie\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cae82cd elementor-position-left elementor-vertical-align-middle elementor-view-default elementor-mobile-position-top elementor-widget elementor-widget-icon-box\" data-id=\"2cae82cd\" data-element_type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span class=\"elementor-icon elementor-animation-\" >\n\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-square\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\t\t\t\t<h4 class=\"elementor-icon-box-title\">\n\t\t\t\t\t<span  >\n\t\t\t\t\t\tFais toi accompagner en cours \u00e0 domicile\t\t\t\t\t<\/span>\n\t\t\t\t<\/h4>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-876cb4 elementor-widget elementor-widget-text-editor\" data-id=\"876cb4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p><span style=\"color: #163153;\">Les \u00e9l\u00e8ves que nous aidons en cours de physique -chimie \u00e0 domicile recommandent \u00e0 <strong>98%<\/strong> nos profs<\/span><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-2127124f ae-bg-gallery-type-default\" data-id=\"2127124f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49a28f4e elementor-align-center elementor-widget elementor-widget-button\" data-id=\"49a28f4e\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-lg\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Prof de physique chimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4af6dba elementor-widget elementor-widget-text-editor\" data-id=\"4af6dba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: center;\"><b>Avis Google France <br \/><\/b><span style=\"color: #e5a430;\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<h2 style=\"text-align: justify\">B. Calculs de variation d&rsquo;entropie en Maths Sup<\/h2>\n<h3 style=\"text-align: justify\">1.\u00a0<b>Entropie d&rsquo;un gaz parfait en Maths Sup<\/b><\/h3>\n<p style=\"text-align: justify\">Soit un syst\u00e8me form\u00e9 de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> moles de GP de rapport de capacit\u00e9s thermiques <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-4de02fc502ed5dbd15f371728ea270a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#103;&#97;&#109;&#109;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: -4px;\"\/><\/p>\n<p style=\"text-align: justify\">On peut d\u00e9montrer et on admet l&rsquo;expression<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-29f2f28c34d8f604c66ebac3f7d463f3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#83;&#95;&#123;&#71;&#80;&#125;&#61;&#83;&#40;&#80;&#95;&#48;&#44;&#86;&#95;&#48;&#41;&#43;&#110;&#82;&#92;&#108;&#110;&#92;&#102;&#114;&#97;&#99;&#123;&#80;&#86;&#94;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#125;&#125;&#123;&#80;&#95;&#48;&#86;&#95;&#48;&#94;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"239\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify\">o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-483a68bbe2e0259b51275e68346c786f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#40;&#80;&#95;&#48;&#44;&#86;&#95;&#48;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"57\" style=\"vertical-align: -5px;\"\/> est un \u00e9tat de r\u00e9f\u00e9rence.<\/p>\n<p style=\"text-align: justify\">Il existe deux formes alternatives, avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9ed275b0bf1633b7ee83b78fcc28273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> ou avec <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9ed275b0bf1633b7ee83b78fcc28273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63ada879859a9e41fd935f035b7313bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/>. Les expressions sont toujours donn\u00e9es dans l&rsquo;\u00e9nonc\u00e9.<\/p>\n<h3 style=\"text-align: justify\">2.\u00a0<b>Entropie d&rsquo;un syst\u00e8me en phase condens\u00e9e<\/b><\/h3>\n<p style=\"text-align: justify\">Un syst\u00e8me est form\u00e9 d&rsquo;une phase condens\u00e9e incompressible et indilatable de capacit\u00e9 thermique <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f34f74d98915e33f37a086f8cbfb996a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\">On peut d\u00e9montrer et on admet l&rsquo;expression<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2021c11fbfb1817d06f529205b626523_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#83;&#95;&#123;&#99;&#100;&#125;&#61;&#83;&#40;&#84;&#95;&#48;&#41;&#43;&#67;&#92;&#108;&#110;&#92;&#102;&#114;&#97;&#99;&#123;&#84;&#95;&#49;&#125;&#123;&#84;&#95;&#48;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"169\" style=\"vertical-align: -15px;\"\/><\/p>\n<h3 style=\"text-align: justify\">3.\u00a0<b>Changement d&rsquo;\u00e9tat du corps pur<\/b><\/h3>\n<p style=\"text-align: justify\">Une masse <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-6b41df788161942c6f98604d37de8098_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"15\" style=\"vertical-align: 0px;\"\/> de corps pur passe de fa\u00e7on isobare de l&rsquo;\u00e9tat 1 \u00e0 l&rsquo;\u00e9tat 2.<\/p>\n<p style=\"text-align: justify\">La temp\u00e9rature est n\u00e9cessairement constante pendant cette transformation, \u00e9gale \u00e0 la temp\u00e9rature d&rsquo;\u00e9quilibre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f90ae6bfb44bc3e0db681187a4f4f1d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#123;&#49;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"24\" style=\"vertical-align: -3px;\"\/> \u00e0 la pression <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify\">La variation d&rsquo;entropie vaut<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ae4f55859fb9e1b0b53686975b16dad4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#100;&#105;&#115;&#112;&#108;&#97;&#121;&#115;&#116;&#121;&#108;&#101;&#123;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#109;&#92;&#68;&#101;&#108;&#116;&#97;&#95;&#123;&#49;&#50;&#125;&#104;&#125;&#123;&#84;&#95;&#123;&#49;&#50;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"108\" style=\"vertical-align: -15px;\"\/><\/p>\n<h2 style=\"text-align: justify\">C. <span class=\"movable-header-title\"><b>Syst\u00e8mes thermo\u00e9lastiques et enthalpie en maths sup<\/b><\/span><\/h2>\n<h3 style=\"text-align: justify\"><strong>1. <b>Syst\u00e8me \u00ab\u00a0thermo\u00e9lastique\u00a0\u00bb en Maths Sup<\/b><\/strong><\/h3>\n<p style=\"text-align: justify\">Un syst\u00e8me thermo\u00e9lastique est susceptible d&rsquo;\u00e9changer de l&rsquo;\u00e9nergie thermique par transfert et du travail par d\u00e9placement d&rsquo;une paroi (piston).<\/p>\n<p style=\"text-align: justify\">C&rsquo;est le cas des fluides en g\u00e9n\u00e9ral, si\u00e8ges d&rsquo;aucune transformation chimique.<br \/>\nIls sont parfaitement d\u00e9termin\u00e9s par les variables d&rsquo;\u00e9tat pression <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/>, volume <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63ada879859a9e41fd935f035b7313bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> et temp\u00e9rature <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9ed275b0bf1633b7ee83b78fcc28273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Ces grandeurs sont en g\u00e9n\u00e9ral reli\u00e9es par une \u00e9quation d&rsquo;\u00e9tat dont l&rsquo;arch\u00e9type est la loi des gaz parfaits.<\/p>\n<h3 style=\"text-align: justify\"><strong>2. <b>Enthalpie d&rsquo;un syst\u00e8me thermo\u00e9lastique<\/b><\/strong><\/h3>\n<p style=\"text-align: justify\">Par d\u00e9finition, l&rsquo;enthalpie est une grandeur <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-methodes-energetiques-maths-sup\/\">\u00e9nerg\u00e9tique<\/a> qui vaut<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f4e3d9cde87fab710e5b99142b30a3b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;&#61;&#85;&#43;&#80;&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"103\" style=\"vertical-align: -2px;\"\/><\/p>\n<p style=\"text-align: justify\">Comme <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b60fc262803f27ba3717d8ec4eb656d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/>, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-650eb7688af6737ac325425b5c9a5982_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> et <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-63ada879859a9e41fd935f035b7313bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"14\" style=\"vertical-align: 0px;\"\/> sont des fonctions et variables d&rsquo;\u00e9tat, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-379db1fc1f84b7ce56b92463183097f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> est une fonction d&rsquo;\u00e9tat, elle est extensive.<\/p>\n<h3 style=\"text-align: justify\">3.\u00a0<b>Expression de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-541a20f79718550c370f9bea0557b755_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"25\" style=\"vertical-align: 0px;\"\/> pour un GP<\/b><\/h3>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-379db1fc1f84b7ce56b92463183097f9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#72;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> ne d\u00e9pend que de la temp\u00e9rature <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f9ed275b0bf1633b7ee83b78fcc28273_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"\/> (deuxi\u00e8me loi de Joule)<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0<img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9b4fa10717c6b87af7330eccfbd96b75_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#100;&#72;&#61;&#67;&#95;&#80;&#100;&#84;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"95\" style=\"vertical-align: -3px;\"\/> sous forme infinit\u00e9simale<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67f8ce327b141d12041ce60575da840d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#80;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"24\" style=\"vertical-align: -3px;\"\/> est la capacit\u00e9 thermique \u00e0 volume constant, en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3a1571775a39b0e5dbeed8b440215977_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"53\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0Pour un syst\u00e8me de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-b170995d512c659d8668b4e42e1fef6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"\/> moles :<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-67639a9a1ee50a7aad378e348d299279_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#80;&#61;&#110;&#67;&#95;&#123;&#80;&#44;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"96\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify\">o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0f8446bdd3ead07c371b8801ce447602_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#123;&#80;&#44;&#109;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"38\" style=\"vertical-align: -6px;\"\/> est la capacit\u00e9 thermique molaire \u00e0 volume constant, en <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-c9ea6fa5b3ffdfa8c5e42592f1d3c245_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#92;&#99;&#100;&#111;&#116;&#32;&#109;&#111;&#108;&#94;&#123;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"113\" style=\"vertical-align: -1px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0La relation de Mayer s&rsquo;\u00e9crit<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-0408871f48f73b907902b4c6dfdaede7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#80;&#61;&#67;&#95;&#86;&#43;&#110;&#82;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"119\" style=\"vertical-align: -3px;\"\/> ou <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3cfa5ccb6c46417e4fbc3d87c37cfe97_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#123;&#80;&#44;&#109;&#125;&#61;&#67;&#95;&#123;&#86;&#44;&#109;&#125;&#43;&#82;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"136\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2b6e225d778ccd32cb2bd9cc4eaead9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#98;&#117;&#108;&#108;&#101;&#116;\" title=\"Rendered by QuickLaTeX.com\" height=\"7\" width=\"8\" style=\"vertical-align: 1px;\"\/>\u00a0Pour un GP monoatomique<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ef62c11afe6b10c448e6272f7c9f7df8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#67;&#95;&#123;&#80;&#44;&#109;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#51;&#50;&#82;&#43;&#82;&#61;&#92;&#102;&#114;&#97;&#99;&#53;&#50;&#82;\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" width=\"170\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify\">$\\bulle<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"127573\" class=\"elementor elementor-127573\">\n\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t\t<section class=\"has_ae_slider elementor-section elementor-inner-section elementor-element elementor-element-43bcffd4 elementor-section-content-bottom full_width elementor-section-full_width elementor-section-height-min-height elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"43bcffd4\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t\t\t<div class=\"elementor-row\">\n\t\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-66 elementor-inner-column elementor-element elementor-element-68edd0c8 ae-bg-gallery-type-default\" data-id=\"68edd0c8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1c346d80 elementor-widget elementor-widget-heading\" data-id=\"1c346d80\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">COURS DE PHYSIQUE-CHIMIE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4943db10 elementor-widget elementor-widget-heading\" data-id=\"4943db10\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Nous avons s\u00e9lectionn\u00e9 pour vous les meilleurs profs particuliers.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2712c040 elementor-widget elementor-widget-heading\" data-id=\"2712c040\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">POUR ACC\u00c9L\u00c9RER MA PROGRESSION EN PHYSIQUE-CHIMIE, JE TROUVE DES<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47a956a elementor-align-left elementor-mobile-align-center elementor-tablet-align-left elementor-widget elementor-widget-button\" data-id=\"47a956a\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-md\" role=\"button\" id=\"CTA_PRD_CP\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Cours particuliers physique-chimie<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-443cd62a elementor-widget elementor-widget-text-editor\" data-id=\"443cd62a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-text-editor elementor-clearfix\">\n\t\t\t\t<p style=\"text-align: left\"><b>Avis Google France <\/b><span style=\"color: #e5a430\"><b>\u2605\u2605\u2605\u2605\u2605<\/b><\/span><b> 4,9 sur 5<\/b><\/p>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_ae_slider elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-524facb5 ae-bg-gallery-type-default\" data-id=\"524facb5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-column-wrap\">\n\t\t\t\t\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify\"><span style=\"font-weight: 400\">On peut le voir sur notre<\/span> <span style=\"font-weight: 400\">simulateur d&rsquo;admissibilit\u00e9 pour les pr\u00e9pas scientifiques<\/span><span style=\"font-weight: 400\">, il est impossible d&rsquo;\u00e9chouer en Physique et esp\u00e9rer int\u00e9grer Polytechnique ou Centrale. C&rsquo;est pourquoi, en cas de difficult\u00e9s, il est n\u00e9cessaire d&rsquo;utiliser d&rsquo;autres supports ou ressources que les cours de pr\u00e9pa. Pour commencer, les notes de cours peuvent \u00eatre compl\u00e9t\u00e9es \u00e0 la maison avec des cours en ligne comme :<\/span><\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-machines-thermiques-maths-sup\/\">Cours sur les machines thermiques<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-induction-maths-sup\/\">Cours en maths sup sur l&rsquo;induction<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-oscillateur-harmonique-maths-sup\/\">Cours gratuit : l&rsquo;oscillateur harmonique maths sup<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-propagation-maths-sup\/\">Cours : la propagation en maths sup<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-superposition-maths-sup\/\">Resume de cours sur la superposition<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Cours de maths sup : deuxi\u00e8me principe de la thermodynamique R\u00e9sum\u00e9 de Cours \u00a0\u00a0Exercices et corrig\u00e9s Cours en ligne de Physique en Maths Sup R\u00e9viser des r\u00e9sum\u00e9s de cours de physique de Maths Sup est essentiel pour appr\u00e9hender au mieux les concours. En effet, chez les pr\u00e9pas scientifiques, le coefficient de la Physique est tr\u00e8s [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.2.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Deuxi\u00e8me principe de la Thermodynamique : Cours en Maths Sup<\/title>\n<meta name=\"description\" content=\"Cours sur le deuxi\u00e8me principe de la Thermodynamique en Maths Sup : r\u00e9visez les calculs de variation d&#039;enthropie et la thermodynamique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Deuxi\u00e8me principe de la Thermodynamique : Cours en Maths Sup\" \/>\n<meta property=\"og:description\" content=\"Cours sur le deuxi\u00e8me principe de la Thermodynamique en Maths Sup : r\u00e9visez les calculs de variation d&#039;enthropie et la thermodynamique.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\" \/>\n<meta property=\"og:site_name\" content=\"Groupe R\u00e9ussite\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GroupeReussiteOfficiel\/\" \/>\n<meta property=\"article:modified_time\" content=\"2023-11-30T14:47:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/uploads\/2026\/05\/logo-groupe-reussite-carre.png\" \/>\n\t<meta property=\"og:image:width\" content=\"170\" \/>\n\t<meta property=\"og:image:height\" content=\"180\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@GroupeReussite\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\",\"url\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\",\"name\":\"Deuxi\u00e8me principe de la Thermodynamique : Cours en Maths Sup\",\"isPartOf\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/#website\"},\"datePublished\":\"2020-11-13T09:30:30+00:00\",\"dateModified\":\"2023-11-30T14:47:10+00:00\",\"description\":\"Cours sur le deuxi\u00e8me principe de la Thermodynamique en Maths Sup : r\u00e9visez les calculs de variation d'enthropie et la thermodynamique.\",\"breadcrumb\":{\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-deuxieme-principe-thermodynamique-maths-sup\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/groupe-reussite.fr\/ressources\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cours sur le deuxi\u00e8me principe Thermodynamique en maths sup\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/groupe-reussite.fr\/ressources\/#website\",\"url\":\"https:\/\/groupe-reussite.fr\/ressources\/\",\"name\":\"Groupe R\u00e9ussite - 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