6.4-Chap 4 Flashcards

L'enthalpie libre G

1
Q

ΔrG > 0

A

réaction thermodynamiquement défavorisée, réaction non spontanée

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2
Q

ΔrG < 0

A

réaction thermodynamiquement favorisée, reáction spontanée

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3
Q

ΔrG = 0

A

état d’équilibre

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4
Q

formule variation d’enthalpie libre standard de formation

A

ΔfG = ΔfH - T x ΔfS

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5
Q

enthalpie libre standard de réaction ΔrG formule

A

ΔrG = ΔrH - T x ΔrS

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6
Q

température à l’équilibre

A

T = ΔrH / ΔrS

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7
Q

augmente la température

A

favorise la réaction endothermique

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8
Q

diminue la température

A

favorise la réaction exothermique

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9
Q

autre nom pour G

A

Fonction de Gibbs

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10
Q

formule de G

A

G = H-TxS

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