Gibbs Free Energy and Thermodynamic Favorability
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
What does a negative
Δ
G
\Delta G
Δ
G
indicate about a reaction?
QUESTION
Identify the units of Gibbs free energy change,
Δ
G
\Delta G
Δ
G
.
QUESTION
When is a process never spontaneous at any temperature?
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ANSWER
Δ
H
>
0
\Delta H > 0
Δ
H
>
0
and
Δ
S
<
0
\Delta S < 0
Δ
S
<
0
. Endothermic with negative entropy makes
Δ
G
\Delta G
Δ
G
always positive.
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