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CCB 2018 QCM15


Go to solution Solved by Liliputienne,

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Posted

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pour la C et la D je ne comprends pas, j'aurais mis C vraie (donc D fausse) car je fais E1-E2 = 14,3 - (-30,5) = 14,3 + 30,5 = 44,8........ 😕 Merci pour vos exlications

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Posted

Le ΔG3 = ΔG1 + ΔG2  = 14,3 +  (-30,5) = -16,2

(et d'où le fait que ΔG < 0 donc le E est aussi vrai normalement 😉 ) 

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