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thermo : enthalpie = variation d'énergie interne

thrasher

By thrasher
in UE1 - Chimie

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thrasher Utilisateur TATipotent

thrasher

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Bonjour, 

est-ce quelqu'un pourrait m'expliquer quand est-ce que deltaH = delta U, je me trompe une fois sur deux 

 

mercii 🙂

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HenriPoincaré Blastocyste

HenriPoincaré

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Posted (edited)

Salut! Je suppose que tu parles de cette équation : ΔH = ΔU + Δn(RT)

Et bien si tu n'as pas de variation du nombre de mole de gaz dans la réaction, tu as Δn = 0 et tu te retrouves avec ΔH = ΔU

Edited by HenriPoincaré

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