{"id":75534,"date":"2020-11-13T10:31:06","date_gmt":"2020-11-13T09:31:06","guid":{"rendered":"https:\/\/groupe-reussite.fr\/?page_id=75534"},"modified":"2023-11-30T16:00:16","modified_gmt":"2023-11-30T15:00:16","slug":"cours-en-ligne-exercices-corriges-deuxieme-principe-thermodynamique-maths-sup","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-deuxieme-principe-thermodynamique-maths-sup\/","title":{"rendered":"Deuxi\u00e8me principe thermodynamique en maths sup : exercices"},"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\">\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<\/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\">Exercices corrig\u00e9s 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 <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<\/div>\n<p style=\"text-align: justify\">Des exercices de Physique en Maths Sup, sur le <strong>deuxi\u00e8me principe de la thermodynamique<\/strong> au programme de physique de PCSI, MPSI et PTSI. En appliquant vos connaissances sur des exercices concrets, vous m\u00e9morisez mieux le cours. Pour vous entra\u00eener en conditions r\u00e9elles de concours. Les <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">cours de physique-chimie<\/a> offrent cette approche en tenant compte du rythme et des besoins sp\u00e9cifiques de chaque \u00e9l\u00e8ve, ce qui favorise une meilleure assimilation des concepts.<\/p>\n<p>La p\u00e9dagogie exigeante et active pratiqu\u00e9e lors de ces s\u00e9ances permet aux \u00e9tudiants de relever des d\u00e9fis et de stimuler leur r\u00e9flexion. Les enseignants encouragent l&rsquo;engagement actif des \u00e9l\u00e8ves, les incitant \u00e0 r\u00e9soudre des probl\u00e8mes complexes li\u00e9s au deuxi\u00e8me principe de la thermodynamique, renfor\u00e7ant ainsi leur capacit\u00e9 \u00e0 aborder des sujets difficiles de mani\u00e8re autonome.<\/p>\n<h2 style=\"text-align: justify\">Exercices sur le deuxi\u00e8me principe de la thermodynamique<\/h2>\n<h3 style=\"text-align: justify\"><b>Exercice sur les \u00e9l\u00e9ments d&rsquo;entropie statistique<\/b><\/h3>\n<p style=\"text-align: justify\">Dans la d\u00e9tente de Joule Gay-Lussac, 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 de gaz parfait monoatomique occupe une moiti\u00e9 d&rsquo;une enceinte adiabatique \u00e0 l&rsquo;instant initial, l&rsquo;autre moiti\u00e9 \u00e9tant vide, et \u00e0 l&rsquo;\u00e9tat final, le gaz occupe la totalit\u00e9 de l&rsquo;enceinte.<\/p>\n<p style=\"text-align: justify\">L&rsquo;\u00e9tat microscopique du syst\u00e8me est d\u00e9crit par la r\u00e9partition des <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5793832f979c2268e3694c246d53b1bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> atomes entre les deux demi-enceintes, donc par une suite <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2a1cdd03b5028d18f10bf4d056a0384e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#95;&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"17\" style=\"vertical-align: -3px;\"\/> de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5793832f979c2268e3694c246d53b1bb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> lettres qui ne peuvent \u00eatre que G ou D : si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-f737f08cec4b52ec28b96c7fe83cabb5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#95;&#107;&#61;&#71;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"56\" style=\"vertical-align: -3px;\"\/>, le <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3422b6bb5c160593658b7c39425d9880_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#107;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"9\" style=\"vertical-align: 0px;\"\/>i\u00e8me atome est dans la demi-enceinte de gauche ; si <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ec357bf1aa86e5138b29676228b0ad2d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#117;&#95;&#107;&#61;&#68;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"57\" style=\"vertical-align: -3px;\"\/>, il est dans la demi-enceinte de droite.<\/p>\n<p style=\"text-align: justify\"><strong>1.<\/strong> Dans l&rsquo;\u00e9tat initial, justifier que le syst\u00e8me est \u00ab\u00a0parfaitement en ordre\u00a0\u00bb, et calculer le nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-75390f77e60fe55929cd07cb9a8f28e3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"18\" style=\"vertical-align: -3px;\"\/> de r\u00e9partitions possibles des atomes.<\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> Dans l&rsquo;\u00e9tat final, justifier que le syst\u00e8me est \u00ab\u00a0en d\u00e9sordre\u00a0\u00bb, et calculer le nombre <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1d7cfb0c6d693ef908b7b5bd0213b759_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#102;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"21\" style=\"vertical-align: -6px;\"\/> de r\u00e9partitions possibles des atomes.<\/p>\n<p style=\"text-align: justify\">Ces r\u00e9partitions sont-elles \u00e9quiprobables ?<\/p>\n<p style=\"text-align: justify\"><strong>3.<\/strong> L&rsquo;entropie statistique du syst\u00e8me est <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-39219701327587c83a5d414bb73459d3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#83;&#61;&#75;&#92;&#108;&#110;&#92;&#79;&#109;&#101;&#103;&#97;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"85\" style=\"vertical-align: 0px;\"\/><\/p>\n<p style=\"text-align: justify\">On d\u00e9montre que la variation d&rsquo;entropie thermodynamique vaut <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7a6d3dd19309bd854b6102bd482355b9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#110;&#82;&#92;&#108;&#110;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"103\" style=\"vertical-align: 0px;\"\/>.<\/p>\n<p style=\"text-align: justify\">Quelle est la valeur de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea9c87a513e4a72624155d392fae86e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> permettant d&rsquo;identifier les deux approches ?<\/p>\n<h3 style=\"text-align: justify\"><b>Exercice sur la cons\u00e9quence du deuxi\u00e8me principe de la Thermodynamique<\/b><\/h3>\n<p style=\"text-align: justify\">On envisage un syst\u00e8me assurant \u00e0 la fois la propulsion et la climatisation d&rsquo;un v\u00e9hicule.<\/p>\n<p style=\"text-align: justify\">On remplit deux r\u00e9servoirs d&rsquo;eau. On attend que l&rsquo;un c\u00e8de \u00e0 l&rsquo;autre une \u00e9nergie thermique telle que dans l&rsquo;un des r\u00e9servoirs, l&rsquo;eau devient bouillante et dans l&rsquo;autre l&rsquo;eau g\u00e8le. Ceci ne n\u00e9cessite aucun apport <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-methodes-energetiques-maths-sup\/\">\u00e9nerg\u00e9tique<\/a> ext\u00e9rieur.<\/p>\n<p style=\"text-align: justify\">On utilise la vapeur d&rsquo;eau pour faire tourner une turbine qui fait tourner les roues de la voiture.<\/p>\n<p style=\"text-align: justify\">On utilise la glace pour climatiser l&rsquo;habitacle.<\/p>\n<p style=\"text-align: justify\">Tout ceci semble extraordinaire. Montrer que si ce dispositif respecte le <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-premier-principe-thermodynamique-maths-sup\/\">premier principe de la Thermodynamique<\/a>, il ne respecte pas le deuxi\u00e8me.<\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"163687\" class=\"elementor elementor-163687\">\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-77e012ea 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=\"77e012ea\" 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-355ab73 ae-bg-gallery-type-default\" data-id=\"355ab73\" 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-5d4ef7c3 elementor-widget elementor-widget-heading\" data-id=\"5d4ef7c3\" 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 PARTICULIERS DE PHYSIQUE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db1f79b elementor-widget elementor-widget-heading\" data-id=\"db1f79b\" 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 recrut\u00e9 pour vous les meilleurs profs de physique.<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd0b35f elementor-widget elementor-widget-heading\" data-id=\"4dd0b35f\" 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 M'AM\u00c9LIORER EN PHYSIQUE, JE CHERCHE DES<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-167b42f7 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"167b42f7\" 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\/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<\/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-60d6239c elementor-widget elementor-widget-text-editor\" data-id=\"60d6239c\" 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-1f06ea06 ae-bg-gallery-type-default\" data-id=\"1f06ea06\" 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<h2 style=\"text-align: justify\">Exercices de calculs de variation d&rsquo;entropie<\/h2>\n<h3 style=\"text-align: justify\"><b>Exercice sur la D\u00e9tente de Joule-Gay-Lussac<\/b><\/h3>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-effac7ba82649b5cb44517738467ea37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#61;&#51;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#111;&#108;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"78\" style=\"vertical-align: 0px;\"\/> de GP (<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;\"\/>) subit une d\u00e9tente adiabatique dans le vide, son volume varie de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b0f6e83f14773828aa18b9b7d503432_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: -3px;\"\/> \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8f04408776adfb0f1338685ddbc84f87_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#49;&#61;&#53;&#86;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"68\" style=\"vertical-align: -3px;\"\/>.<\/p>\n<p style=\"text-align: justify\"><strong>1.<\/strong> Montrer que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8bbd023ae3e119823f3d1b0c428b1bce_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;&#80;&#95;&#49;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#80;&#95;&#48;&#125;&#123;&#53;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"36\" width=\"65\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> Pour un GP<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-5f5fb8afa4173792932ff14b451f150e_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;&#40;&#80;&#44;&#86;&#41;&#61;&#83;&#40;&#80;&#95;&#48;&#44;&#86;&#95;&#48;&#41;&#43;&#92;&#102;&#114;&#97;&#99;&#123;&#110;&#82;&#125;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#45;&#49;&#125;&#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=\"286\" style=\"vertical-align: -17px;\"\/><\/p>\n<p style=\"text-align: justify\">Calculer la variation d&rsquo;entropie <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a595ba572dc2c8b743ab78685d9422b1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"27\" style=\"vertical-align: 0px;\"\/> du syst\u00e8me.<\/p>\n<h3 style=\"text-align: justify\"><b>Exercice sur l&rsquo;irr\u00e9versibilit\u00e9 d&rsquo;un m\u00e9lange<\/b><\/h3>\n<p style=\"text-align: justify\">Dans une enceinte cylindrique adiabatique, on place une paroi qui d\u00e9limite un volume <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3b0f6e83f14773828aa18b9b7d503432_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#86;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: -3px;\"\/> \u00e0 gauche et un volume <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9dda393c6b51bdca71e428359d7b05be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#86;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"26\" style=\"vertical-align: -3px;\"\/> de l&rsquo;autre.<\/p>\n<p style=\"text-align: justify\">Dans le premier, on place <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a5f218144aadc6413db024045a0370b2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#110;&#95;&#48;&#61;&#49;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#111;&#108;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"86\" style=\"vertical-align: -3px;\"\/> de dioxyg\u00e8ne \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9debe588049f41855961f5bc174d81ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: -3px;\"\/>, dans le second, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-69c866a6257e7d7a317e7efeb5bee37e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#52;&#110;&#95;&#48;&#61;&#52;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#109;&#111;&#108;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"95\" style=\"vertical-align: -3px;\"\/> de diazote \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9debe588049f41855961f5bc174d81ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\">On retire la paroi, les gaz se m\u00e9langent.<\/p>\n<p style=\"text-align: justify\"><strong>1.<\/strong> Quel \u00ab\u00a0gaz\u00a0\u00bb forme-t-on ?<\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> Justifier que tout se passe comme si chacun des gaz subissait une d\u00e9tente de Joule Gay-Lussac.<\/p>\n<p style=\"text-align: justify\"><strong>3.<\/strong> En d\u00e9duire la variation d&rsquo;entropie du syst\u00e8me.<\/p>\n<p style=\"text-align: justify\"><strong>4.<\/strong> La transformation de m\u00e9lange est-elle irr\u00e9versible ?<\/p>\n<h2 style=\"text-align: justify\">Correction Exercices deuxi\u00e8me principe de la Thermodynamique<\/h2>\n<h3 style=\"text-align: justify\"><b>Correction de l&rsquo;exercice sur les \u00e9l\u00e9ments d&rsquo;entropie statistique<\/b><\/h3>\n<p style=\"text-align: justify\"><strong>1.<\/strong> Tous les atomes sont rang\u00e9s \u00e0 gauche. La seule suite possible est GGG&#8230;G donc<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e78200c350fe9f2f9268bd6c0fa27e8e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#105;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"51\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> Les atomes sont parfaitement en d\u00e9sordre, chacun est libre d&rsquo;\u00eatre \u00e0 gauche ou \u00e0 droite.<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-a4b1ec03116953889012d2abf3da30a8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#102;&#61;&#50;&#94;&#78;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"66\" style=\"vertical-align: -6px;\"\/><\/p>\n<p style=\"text-align: justify\">Le gaz \u00e9tant parfait, il n&rsquo;y a aucune interaction ni aucune g\u00e8ne d&rsquo;encombrement entre les atomes, chaque r\u00e9partition est donc \u00e9quiprobable.<\/p>\n<p style=\"text-align: justify\"><strong>3.<\/strong> <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-12fc8da746df2ca4ff9a6aa4afb89bd0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#83;&#95;&#102;&#45;&#83;&#95;&#105;&#61;&#75;&#92;&#108;&#110;&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#102;&#45;&#75;&#92;&#108;&#110;&#92;&#79;&#109;&#101;&#103;&#97;&#95;&#105;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"267\" 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-aba8e85d5cd779872156da9093176eaf_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#75;&#78;&#92;&#108;&#110;&#32;&#50;&#61;&#75;&#110;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#78;&#125;&#95;&#65;&#92;&#108;&#110;&#32;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"217\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\">Par identification<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-e74ca6899eb811659d21623518d6b6a9_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;&#75;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#82;&#125;&#123;&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#78;&#125;&#95;&#65;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"68\" style=\"vertical-align: -15px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-ea9c87a513e4a72624155d392fae86e2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"\/> est la constante de Boltzmann, grandeur fondamentale en physique statistique (\u00e9tudi\u00e9e en fili\u00e8re MP).<\/p>\n<h3 style=\"text-align: justify\"><b>Correction e<\/b><b>xercice cons\u00e9quence deuxi\u00e8me principe de la Thermodynamique<\/b><\/h3>\n<p style=\"text-align: justify\">L&rsquo;\u00e9change thermique est nul car l&rsquo;<a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-machines-thermiques-maths-sup\/\">\u00e9nergie thermique<\/a> re\u00e7ue par l&rsquo;un des bacs est oppos\u00e9e \u00e0 celle re\u00e7ue par l&rsquo;autre.<\/p>\n<p style=\"text-align: justify\">L&rsquo;eau chaude peut se refroidir en fournissant du travail \u00e0 la turbine conform\u00e9ment au premier principe.<\/p>\n<p style=\"text-align: justify\">La glace peut refroidir l&rsquo;air dans l&rsquo;habitacle conform\u00e9ment au premier principe.<\/p>\n<p style=\"text-align: justify\">En revanche, le syst\u00e8me ne peut initialement \u00e9voluer d&rsquo;un \u00e9tat homog\u00e8ne (l&rsquo;eau des deux bacs est \u00e0 la m\u00eame temp\u00e9rature <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9debe588049f41855961f5bc174d81ac_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: -3px;\"\/>) \u00e0 un \u00e9tat h\u00e9t\u00e9rog\u00e8ne (eau bouillante \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-87f233731250cceeb302f1ce7f7865e6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#123;&#49;&#102;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"25\" style=\"vertical-align: -6px;\"\/> d&rsquo;un c\u00f4t\u00e9 et glace \u00e0 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-596063bc11701d100ae32406d2f7e89a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#123;&#50;&#102;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"25\" style=\"vertical-align: -6px;\"\/> de l&rsquo;autre)<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify\">\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<h2 style=\"text-align: justify\">Correction des exercices de calculs de variation d&rsquo;entropie<\/h2>\n<h3 style=\"text-align: justify\"><b>Correction de l&rsquo;e<\/b><b>xercice sur la D\u00e9tente de Joule-Gay-Lussac<\/b><\/h3>\n<p style=\"text-align: justify\"><strong>1.<\/strong> Le premier principe donne<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9b652cf77773d8d32370552a0f3621be_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;&#102;&#114;&#97;&#99;&#123;&#110;&#82;&#125;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#45;&#49;&#125;&#40;&#84;&#95;&#49;&#45;&#84;&#95;&#48;&#41;&#61;&#48;&#43;&#48;&#61;&#48;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"210\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify\">donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-aecd1e517963436ead4f3394f784e3f4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#84;&#95;&#49;&#61;&#84;&#95;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"59\" style=\"vertical-align: -3px;\"\/><\/p>\n<p style=\"text-align: justify\">La loi des GP donne<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-86a814f17d09b58bd2861efe79493415_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;&#80;&#95;&#49;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#80;&#95;&#48;&#86;&#95;&#48;&#125;&#123;&#86;&#95;&#49;&#125;&#61;&#92;&#102;&#114;&#97;&#99;&#123;&#80;&#95;&#48;&#125;&#123;&#53;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"129\" style=\"vertical-align: -15px;\"\/><\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> En utilisant la formule du cours<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-dd1d396fb8e1b068a5ee4b9fa68fd1df_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;&#110;&#82;&#125;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#45;&#49;&#125;&#92;&#108;&#110;&#32;&#53;&#94;&#123;&#92;&#103;&#97;&#109;&#109;&#97;&#45;&#49;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"149\" style=\"vertical-align: -16px;\"\/><\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-cdaa9594a97a8b7185529d67c5823c3d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#61;&#110;&#82;&#92;&#108;&#110;&#32;&#53;&#61;&#52;&#48;&#126;&#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=\"204\" style=\"vertical-align: 0px;\"\/><\/p>\n<h3 style=\"text-align: justify\"><b>Correction de l&rsquo;e<\/b><b>xercice sur l&rsquo;irr\u00e9versibilit\u00e9 d&rsquo;un m\u00e9lange<\/b><\/h3>\n<p style=\"text-align: justify\"><strong>1.<\/strong> On forme de l&rsquo;air.<\/p>\n<p style=\"text-align: justify\"><strong>2.<\/strong> L&rsquo;enceinte 2 est vide de dioxyg\u00e8ne. L&rsquo;enceinte 1 est vide de diazote. Chacun subit donc une d\u00e9tente de Joule Gay-Lussac.<\/p>\n<p style=\"text-align: justify\"><strong>3.<\/strong> Par extensivit\u00e9, et en utilisant le r\u00e9sultat \u00e9tabli au r\u00e9sultat pr\u00e9c\u00e9dent<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-df14decb1a3db20e86934e7d065e13a2_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;&#110;&#95;&#48;&#82;&#92;&#108;&#110;&#32;&#53;&#43;&#52;&#110;&#95;&#48;&#82;&#92;&#108;&#110;&#92;&#102;&#114;&#97;&#99;&#53;&#52;&#61;&#49;&#53;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#74;&#92;&#99;&#100;&#111;&#116;&#32;&#75;&#94;&#123;&#45;&#49;&#125;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"37\" width=\"308\" style=\"vertical-align: -12px;\"\/><\/p>\n<p style=\"text-align: justify\"><strong>4.<\/strong> L&rsquo;entropie \u00e9chang\u00e9e est nulle car l&rsquo;enceinte est adiabatique. On a donc<\/p>\n<p style=\"text-align: justify\"><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-78375fec583843f01badd450eef07271_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;&#92;&#68;&#101;&#108;&#116;&#97;&#32;&#83;&#62;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"106\" style=\"vertical-align: -3px;\"\/> donc la transformation est irr\u00e9versible.<\/p>\n<p style=\"text-align: justify\">Ces exercices, avec leur correction, vous auront donc permis de mieux appr\u00e9hender la difficult\u00e9 de la physique en maths sup. Toutefois si vous vous sentez encore insuffisamment pr\u00e9par\u00e9s pour la Maths Sp\u00e9 sur d&rsquo;autres cours, de nombreux autres cours en ligne de physique en\u00a0 Maths Sup sont disponibles :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-machines-thermiques-maths-sup\/\">Exercices sur les machines thermiques<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-induction-maths-sup\/\">Exercices corrig\u00e9s sur l&rsquo;induction<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-oscillateur-harmonique-maths-sup\/\">Cours en ligne : l&rsquo;oscillateur harmonique<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-ondes-propagation-maths-sup\/\">Cours sur la propagation en maths sup<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-superposition-maths-sup\/\">Cours en maths sup sur la superposition<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<p><!-- \/wp:paragraph --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exercices corrig\u00e9s deuxi\u00e8me principe de la thermodynamique R\u00e9sum\u00e9 de Cours\u00a0 Exercices et corrig\u00e9s Cours en ligne de Physique en Maths Sup Des exercices de Physique en Maths Sup, sur le deuxi\u00e8me principe de la thermodynamique au programme de physique de PCSI, MPSI et PTSI. En appliquant vos connaissances sur des exercices concrets, vous m\u00e9morisez mieux [&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 : exercices de Maths Sup<\/title>\n<meta name=\"description\" content=\"Exercices sur le deuxi\u00e8me principe de la Thermodynamique au programme de Maths Sup. 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