{"id":196561,"date":"2024-02-06T15:01:49","date_gmt":"2024-02-06T14:01:49","guid":{"rendered":"https:\/\/groupe-reussite.fr\/ressources\/?page_id=196561"},"modified":"2024-05-14T21:43:12","modified_gmt":"2024-05-14T20:43:12","slug":"cours-en-ligne-exercices-corriges-electrochimie-maths-spe","status":"publish","type":"page","link":"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-electrochimie-maths-spe\/","title":{"rendered":"Exercices corrig\u00e9s : l\u2019\u00e9lectrochimie en maths sp\u00e9"},"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=\"79938\" class=\"elementor elementor-79938\">\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-5e3444f7 elementor-section-content-bottom elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"5e3444f7\" 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-1e7ea902 sticky_badeau_colone strick_col ae-bg-gallery-type-default\" data-id=\"1e7ea902\" 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-29d4bc17 elementor-section-boxed elementor-section-height-default elementor-section-height-default ae-bg-gallery-type-default\" data-id=\"29d4bc17\" 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-307b99cd strick_col ae-bg-gallery-type-default\" data-id=\"307b99cd\" 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-4086177 elementor-widget elementor-widget-heading\" data-id=\"4086177\" 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-Chimie en Maths Sp\u00e9<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7aa2a7eb elementor-widget elementor-widget-heading\" data-id=\"7aa2a7eb\" 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-Chimie en MP, PSI, PC, MPI, TSI, PT<\/p>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-588cf1ef elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"588cf1ef\" 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-diffusion-thermique-maths-spe\/\" 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\">Diffusion thermique<\/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-1fb0b684 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1fb0b684\" 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-conducteurs-ohmiques-maths-spe\/\" 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\">Conducteurs ohmiques<\/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-6c452ac1 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"6c452ac1\" 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-thermochimie-maths-spe\/\" 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\">Thermochimie<\/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-5ccfb089 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5ccfb089\" 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-referentiels-non-galileens-maths-spe\/\" 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\">R\u00e9f\u00e9rentiels non galil\u00e9ens<\/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-5acab5b3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"5acab5b3\" 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-electrostatique-maths-spe\/\" 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\">\u00c9lectrostatique<\/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-73361730 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"73361730\" 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-magnetostatique-induction-maths-spe\/\" 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\">Magn\u00e9tostatique et 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-34095238 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"34095238\" 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-electromagnetiques-vide-maths-spe\/\" 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\">Ondes dans le vide<\/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-3c4a6aa8 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3c4a6aa8\" 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-electromagnetiques-milieu-maths-spe\/\" 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\">Ondes dans les milieux<\/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-67b8eae5 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"67b8eae5\" 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-physique-quantique-maths-spe\/\" 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\">Physique quantique<\/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-35f10a63 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"35f10a63\" 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-physique-maths-spe\/\" 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 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-2934a57e elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"2934a57e\" 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-physique-statistique-maths-spe\/\" 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\">Physique statistique<\/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-29809fa3 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"29809fa3\" 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-electronique-signal-maths-spe\/\" 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\">\u00c9lectronique et signal<\/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-22b8c1ec elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"22b8c1ec\" 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-electrochimie-maths-spe\/\" 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\">\u00c9lectrochimie<\/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-71b9149b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"71b9149b\" 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\" style=\"text-align: center;\">Exercices et corrig\u00e9s sur l\u2019\u00e9lectrochimie en MP, MPI, PSI, PC et PT<\/h1>\n<\/div>\n<p class=\"colone_latex_ancres\" style=\"text-align: center;\"><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrochimie-maths-spe\/\">R\u00e9sum\u00e9 de cours<\/a> <a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-electrochimie-maths-spe\/\">Exercices et corrig\u00e9s<\/a><\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\">Ces exercices corrig\u00e9s pour la maths sp\u00e9 en physique chimie sur l\u2019\u00e9lectrochimie pourront vous aider \u00e0 mieux comprendre les notions sur les courbes courant-potentiel, piles, \u00e9lectrolyseurs, accumulateurs. Sur la plateforme Groupe R\u00e9ussite, nous vous mettons \u00e0 disposition des profils de <a href=\"https:\/\/groupe-reussite.fr\/cours-particuliers\/physique-chimie\/tous-niveaux\/france\/\">professeurs de physique chimie<\/a> comp\u00e9tents et exp\u00e9riment\u00e9s qui peuvent vous donner des cours et vous accompagner du d\u00e9but d&rsquo;ann\u00e9e jusqu&rsquo;aux concours.<\/p>\n<h2 style=\"text-align: justify;\">QCM sur l\u2019\u00e9lectrochimie en maths sp\u00e9<\/h2>\n<p><strong>Question 1 :<\/strong><\/p>\n<p>Une pi\u00e8ce de m\u00e9tal <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> est plong\u00e9e dans l&rsquo;eau de mer, a\u00e9r\u00e9e, en (A) o\u00f9 le courant est fort, ou en (B) o\u00f9 l&rsquo;eau est stagnante.<\/p>\n<p>a. La vitesse de corrosion est plus grande en A qu&rsquo;en B<\/p>\n<p>b.La vitesse de corrosion est plus grande en B qu&rsquo;en A<\/p>\n<p>c. La vitesse de corrosion est la m\u00eame en A qu&rsquo;en B.<\/p>\n<p style=\"text-align: justify;\"><strong>Question 2 :<\/strong><\/p>\n<p>Lorsqu&rsquo;une pile form\u00e9e par deux couples r\u00e9dox 1 et 2 est court-circuit\u00e9e, la tension <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;\"\/> \u00e0 ses bornes vaut<\/p>\n<p>a. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2f939407c900736ab59081bb076998c8_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#61;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"46\" style=\"vertical-align: 0px;\"\/><\/p>\n<p>b. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3398387a89624d74b4e1b497dc14231b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#61;&#69;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#101;&#114;&#110;&#115;&#116;&#32;&#49;&#125;&#125;&#45;&#69;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#101;&#114;&#110;&#115;&#116;&#32;&#50;&#125;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"179\" style=\"vertical-align: -3px;\"\/><\/p>\n<p>c. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d93348edf72b893ea34f5c4a12ff184f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#61;&#69;&#94;&#48;&#95;&#49;&#45;&#69;&#94;&#48;&#95;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"101\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>d. <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-91e96a98db25c96021cbb1193081139a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#85;&#61;&#40;&#69;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#101;&#114;&#110;&#115;&#116;&#32;&#49;&#125;&#125;&#43;&#92;&#101;&#116;&#97;&#95;&#123;&#65;&#49;&#125;&#41;&#45;&#40;&#69;&#95;&#123;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#78;&#101;&#114;&#110;&#115;&#116;&#32;&#50;&#125;&#125;&#43;&#92;&#101;&#116;&#97;&#95;&#123;&#67;&#50;&#125;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"304\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>&nbsp;<\/p>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"186622\" class=\"elementor elementor-186622\">\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-c6e64e6 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=\"c6e64e6\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\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-50 elementor-inner-column elementor-element elementor-element-6c415789 ae-bg-gallery-type-default\" data-id=\"6c415789\" 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-6830726e elementor-widget elementor-widget-heading\" data-id=\"6830726e\" 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\">PRENDRE DES 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-12080125 elementor-widget elementor-widget-heading\" data-id=\"12080125\" 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\">C\u2019est comprendre et r\u00e9ussir<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76fc0897 elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"76fc0897\" 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 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\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-4b102735 ae-bg-gallery-type-default\" data-id=\"4b102735\" 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;\">Corrig\u00e9 du QCM de maths sp\u00e9 sur l\u2019\u00e9lectrochimie<\/h2>\n<p style=\"text-align: justify;\"><strong>Question 1 :<\/strong><\/p>\n<p style=\"text-align: justify;\">La bonne r\u00e9ponse est la a.<\/p>\n<p>Dans l&rsquo;eau stagnante, les ions <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2f7bd0bc79e4f35a77649a8bbb14d8db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#94;&#123;&#109;&#43;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"41\" style=\"vertical-align: 0px;\"\/> ne sont pas \u00e9vacu\u00e9s, donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-3d0b7558373db19b3ecb6930a8c46608_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#77;&#94;&#123;&#109;&#43;&#125;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"49\" style=\"vertical-align: -5px;\"\/> augmente, donc le potentiel de Nernst du m\u00e9tal augmente, donc la courbe courant-potentiel se d\u00e9place vers la droite, donc l&rsquo;intensit\u00e9 de corrosion diminue.<\/p>\n<p style=\"text-align: justify;\"><strong>Question 2 :<\/strong><\/p>\n<p>La bonne r\u00e9ponse est a.<\/p>\n<p>La pile est court-circuit\u00e9e donc <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-1f1171686d7be14da744ce25f4c2e55e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#95;&#49;&#61;&#69;&#95;&#50;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"64\" style=\"vertical-align: -3px;\"\/><\/p>\n<h2 style=\"text-align: justify;\">Exercices sur l\u2019\u00e9lectrochimie en maths sp\u00e9<\/h2>\n<h3>Exercice sur l&rsquo;\u00e9lectrolyse de l&rsquo;eau.<\/h3>\n<p>1. Quels produits donne l&rsquo;\u00e9lectrolyse de l&rsquo;eau ?<\/p>\n<p>2. Pourquoi l&rsquo;\u00e9lectrolyse de l&rsquo;eau pure est-elle difficile ?<\/p>\n<p>3. Pour produire du dioxyg\u00e8ne quoi a-t-on plut\u00f4t int\u00e9r\u00eat \u00e0 \u00e9lectrolyser une solution d&rsquo;acide sulfurique plut\u00f4t que d&rsquo;acide chlorhydrique ?<\/p>\n<p>On donne<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-bf1484ce7697333ac87ebd1810e5cd4e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#94;&#48;&#40;&#83;&#95;&#50;&#79;&#95;&#56;&#94;&#123;&#50;&#45;&#125;&#47;&#83;&#79;&#95;&#52;&#94;&#123;&#50;&#45;&#125;&#41;&#61;&#50;&#44;&#48;&#56;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#86;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"21\" width=\"217\" style=\"vertical-align: -5px;\"\/><\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-560b419b60062a53ba8f73c947f2a149_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#69;&#94;&#48;&#40;&#67;&#108;&#95;&#50;&#47;&#67;&#108;&#94;&#45;&#41;&#61;&#49;&#44;&#51;&#54;&#126;&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#86;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"179\" style=\"vertical-align: -5px;\"\/><\/p>\n<h3>Exercice sur l&rsquo;accumulateur.<\/h3>\n<p>Pourquoi, dans un accumulateur, les couples sont-ils plut\u00f4t<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-7a888f46c148d77b091c1289a4ed234b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#40;&#79;&#72;&#41;&#95;&#109;&#47;&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"103\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>(o\u00f9 <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> est un m\u00e9tal)<\/p>\n<p>plut\u00f4t que <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-569f8ea731abe2112ff0df15e2ae5070_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#94;&#123;&#109;&#43;&#125;&#47;&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"70\" style=\"vertical-align: -5px;\"\/> ?<\/p>\n<p>On cherchera \u00e0 donner un argument cin\u00e9tique, un argument technologique et un argument thermodynamique.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"165656\" class=\"elementor elementor-165656\">\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-7f041a6f 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=\"7f041a6f\" 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-800adc5 ae-bg-gallery-type-default\" data-id=\"800adc5\" 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-76dc5efc elementor-widget elementor-widget-heading\" data-id=\"76dc5efc\" 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 CHIMIE<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d4324a7 elementor-widget elementor-widget-heading\" data-id=\"7d4324a7\" 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-67b0a671 elementor-widget elementor-widget-heading\" data-id=\"67b0a671\" 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 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-1d63f4df elementor-align-left elementor-mobile-align-center elementor-widget elementor-widget-button\" data-id=\"1d63f4df\" 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\/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 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-9b9aaf5 elementor-widget elementor-widget-text-editor\" data-id=\"9b9aaf5\" 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-437b3768 ae-bg-gallery-type-default\" data-id=\"437b3768\" 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;\">Corrig\u00e9 des exercices l\u2019\u00e9lectrochimie en pr\u00e9pa MP, MPI, PC, PSI et PT<\/h2>\n<h3 style=\"text-align: justify;\">Corrig\u00e9 sur le disque compact.<\/h3>\n<p>\u00c0 l&rsquo;anode<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-344b36aa18dfd04acd00a4d73fa7857a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#50;&#72;&#95;&#50;&#79;&#61;&#52;&#72;&#94;&#43;&#43;&#52;&#101;&#94;&#45;&#43;&#79;&#95;&#50;&#40;&#103;&#41;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"216\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>\u00c0 la cathode<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-8900ccff35abfae0522093baa1a89a34_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#114;&#109;&#123;&#50;&#72;&#95;&#50;&#79;&#43;&#50;&#101;&#94;&#45;&#61;&#72;&#95;&#50;&#40;&#103;&#41;&#43;&#50;&#72;&#79;&#94;&#45;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"229\" style=\"vertical-align: -5px;\"\/><\/p>\n<p>Il y a donc d\u00e9gagement de dioxyg\u00e8ne \u00e0 l&rsquo;anode et de dihydrog\u00e8ne \u00e0 la cathode.<\/p>\n<p>2. La pauvret\u00e9 en ions rend l&rsquo;eau pure tr\u00e8s peu conductrice, donc la r\u00e9sistance interne est tr\u00e8s forte.<\/p>\n<p>3. L&rsquo;ion chlorure est en dessous du mur du solvant, l&rsquo;ion sulfate au dessus.<\/p>\n<p>Il y a donc oxydation du chlorure et formation de dichlore, gaz tr\u00e8s toxique, si on \u00e9lectrolyse une solution d&rsquo;acide chlorhydrique, alors que l&rsquo;ion sulfate n&rsquo;est pratiquement jamais oxyd\u00e9 quand on \u00e9lectrolyse l&rsquo;acide sulfurique.<\/p>\n<h3 style=\"text-align: justify;\"><b>Corrig\u00e9 sur l&rsquo;accumulateur en pr\u00e9pa<\/b><\/h3>\n<p><strong>Argument cin\u00e9tique.<\/strong><\/p>\n<p>Dans le fonctionnement en pile, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> s&rsquo;oxyde et les ions <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-2f7bd0bc79e4f35a77649a8bbb14d8db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#94;&#123;&#109;&#43;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"41\" style=\"vertical-align: 0px;\"\/> ont tendance \u00e0 se disperser dans la solution.<\/p>\n<p>La cons\u00e9quence est que dans le fonctionnement en \u00e9lectrolyse (recharge de l&rsquo;accumulateur), la reformation du m\u00e9tal est plus lente (ralentissement par diffusion des ions). Dans le cas de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-609e1484bbf26fb3ce720015cb5e5e37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#40;&#79;&#72;&#41;&#95;&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"75\" style=\"vertical-align: -5px;\"\/>, le pr\u00e9cipit\u00e9 reste \u00e0 proximit\u00e9 de l&rsquo;\u00e9lectrode.<\/p>\n<p><strong>Argument technologique.<\/strong><\/p>\n<p>Dans le fonctionnement en pile, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> s&rsquo;oxyde et les ions <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-d24d0c085b4b3ac8164618ea66d6c48f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#94;&#43;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"29\" style=\"vertical-align: 0px;\"\/> ont tendance \u00e0 se disperser dans la solution.<\/p>\n<p>La cons\u00e9quence est que dans le fonctionnement en \u00e9lectrolyse (recharge de l&rsquo;accumulateur), la reformation du m\u00e9tal risque de ne pas \u00eatre localis\u00e9e sur l&rsquo;\u00e9lectrode de m\u00e9tal, l&rsquo;\u00e9lectrode se d\u00e9forme progressivement et le fonctionnement de la pile se d\u00e9grade \u00e0 chaque cycle.<\/p>\n<p>En particulier, si une pointe de m\u00e9tal se forme par croissance dendritique, cette pointe risque de casser et le m\u00e9tal concern\u00e9 ne participera plus aux \u00e9changes. Dans le cas de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-609e1484bbf26fb3ce720015cb5e5e37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#40;&#79;&#72;&#41;&#95;&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"75\" style=\"vertical-align: -5px;\"\/>, le pr\u00e9cipit\u00e9 reste \u00e0 proximit\u00e9 de l&rsquo;\u00e9lectrode.<\/p>\n<p><strong>Argument thermodynamique.<\/strong><\/p>\n<p>Dans le fonctionnement en pile, <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-10ebb71bad275c1815a8f2a8c5dea0be_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"19\" style=\"vertical-align: 0px;\"\/> s&rsquo;oxyde et la concentration <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-9f0c191c4f86025d87fb91d8ce340c4c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#091;&#77;&#94;&#43;&#093;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"37\" style=\"vertical-align: -5px;\"\/> augmente. Le potentiel de Nernst du couple augmente et la tension de la pile fluctue. Dans le cas de <img loading=\"lazy\" src=\"https:\/\/groupe-reussite.fr\/ressources\/wp-content\/ql-cache\/quicklatex.com-609e1484bbf26fb3ce720015cb5e5e37_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#77;&#40;&#79;&#72;&#41;&#95;&#109;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"75\" style=\"vertical-align: -5px;\"\/>, solide, le potentiel de Nernst ne varie pas. L&rsquo;argument est le m\u00eame dans le cas du fonctionnement en \u00e9lectrolyseur (recharge).<\/p>\n<p style=\"text-align: justify;\">Retrouvez d&rsquo;autres exercices gratuits en maths sp\u00e9 :<\/p>\n<ul>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-diffusion-thermique-maths-spe\/\">Exercices corrig\u00e9s sur la diffusion thermique en pr\u00e9pa<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-thermochimie-maths-spe\/\">Exercices sur la thermochimie en pr\u00e9pa MP, MPI, PC, PSI, PT<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-electrostatique-maths-spe\/\">Exercices sur l&rsquo;\u00e9lectrostatique en pr\u00e9pa maths sp\u00e9<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-conducteurs-ohmiques-maths-spe\/\">Exercices et corrig\u00e9s sur les conducteurs ohmiques en CPGE<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-exercices-corriges-referentiels-non-galileens-maths-spe\/\">Exercices sur les r\u00e9f\u00e9rentiels non galil\u00e9ens en pr\u00e9pa<\/a><\/li>\n<li><a href=\"https:\/\/groupe-reussite.fr\/ressources\/cours-en-ligne-electrochimie-maths-spe\/\">Cours sur l&rsquo;\u00e9lectrochimie en pr\u00e9pa<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Exercices et corrig\u00e9s sur l\u2019\u00e9lectrochimie en MP, MPI, PSI, PC et PT R\u00e9sum\u00e9 de cours Exercices et corrig\u00e9s Ces exercices corrig\u00e9s pour la maths sp\u00e9 en physique chimie sur l\u2019\u00e9lectrochimie pourront vous aider \u00e0 mieux comprendre les notions sur les courbes courant-potentiel, piles, \u00e9lectrolyseurs, accumulateurs. Sur la plateforme Groupe R\u00e9ussite, nous vous mettons \u00e0 disposition [&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>Exercices corrig\u00e9s \u00e9lectrochimie maths sp\u00e9 MP PSI PC PT<\/title>\n<meta name=\"description\" content=\"Exercices corrig\u00e9s l\u2019\u00e9lectrochimie et signal en maths sp\u00e9 : Courbes courant-potentiel, piles, \u00e9lectrolyseurs, accumulateurs et bien plus\" \/>\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-exercices-corriges-electrochimie-maths-spe\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta 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