{"id":45703,"date":"2019-10-20T00:46:47","date_gmt":"2019-10-19T23:46:47","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-gibbs-free-energy-definition\/"},"modified":"2021-05-28T06:01:30","modified_gmt":"2021-05-28T05:01:30","slug":"quest-ce-que-gibbs-free-energy-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-gibbs-free-energy-definition\/","title":{"rendered":"Qu’est-ce que Enthalpie libre – D\u00e9finition"},"content":{"rendered":"
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En thermodynamique, l’\u00e9nthalpie libre est un potentiel thermodynamique d\u00e9fini comme l’enthalpie du syst\u00e8me moins le produit de la temp\u00e9rature multipli\u00e9 par l’entropie du syst\u00e8me. G\u00e9nie thermique<\/div>\n<\/div>\n
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Enthalpie libre<\/h1>\n

En thermodynamique, l’\u00a0\u00e9nergie libre de Gibbs<\/strong>\u00a0est un potentiel thermodynamique d\u00e9fini comme l’\u00a0enthalpie<\/a>\u00a0du syst\u00e8me moins le produit de la temp\u00e9rature multipli\u00e9 par l’\u00a0entropie<\/a>\u00a0du syst\u00e8me.\u00a0Puisque l’\u00a0enthalpie<\/strong>\u00a0est d\u00e9finie comme \u00e9tant la somme de l’\u00e9nergie interne\u00a0E<\/strong>\u00a0plus le produit de la pression\u00a0p<\/strong>\u00a0et du volume\u00a0V, l’\u00e9nergie libre de Gibbs<\/strong>\u00a0est d\u00e9finie comme suit:<\/p>\n

\"\u00e9nergie<\/a><\/p>\n

La modification de\u00a0l\u2019\u00e9nergie libre de Gibbs, \u0394G<\/strong>\u00a0, en chimie, est un param\u00e8tre tr\u00e8s utile.\u00a0Cela peut \u00eatre consid\u00e9r\u00e9 comme la quantit\u00e9 maximale de travail pouvant \u00eatre obtenue d\u2019une r\u00e9action.<\/p>\n<\/div>\n<\/div>\n

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\"gibbs<\/a>
Potentiels thermodynamiques;\u00a0le terme Ts repr\u00e9sente l’\u00e9nergie que vous pouvez obtenir de l’environnement du syst\u00e8me en chauffant;\u00a0le terme pV repr\u00e9sente le travail d’expansion.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n
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Cet article est bas\u00e9 sur la traduction automatique de l’article original en anglais. Pour plus d’informations, voir l’article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l’adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

En thermodynamique, l’\u00e9nthalpie libre est un potentiel thermodynamique d\u00e9fini comme l’enthalpie du syst\u00e8me moins le produit de la temp\u00e9rature multipli\u00e9 par l’entropie du syst\u00e8me. G\u00e9nie thermique Enthalpie libre En thermodynamique, l’\u00a0\u00e9nergie libre de Gibbs\u00a0est un potentiel thermodynamique d\u00e9fini comme l’\u00a0enthalpie\u00a0du syst\u00e8me moins le produit de la temp\u00e9rature multipli\u00e9 par l’\u00a0entropie\u00a0du syst\u00e8me.\u00a0Puisque l’\u00a0enthalpie\u00a0est d\u00e9finie comme \u00e9tant … Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"\nQu'est-ce que Enthalpie libre - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"En thermodynamique, l'\u00e9nthalpie libre est un potentiel thermodynamique d\u00e9fini comme l'enthalpie du syst\u00e8me moins le produit de la temp\u00e9rature multipli\u00e9 par l'entropie du syst\u00e8me. 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