Free energy Flashcards
1
Q
What does ΔG° = 0 indicate?
A
Equilibrium
2
Q
If ΔG° is positive, what type of reaction is it?
A
Nonspontaneous
3
Q
What is the relationship of k when ΔG° > 0?
A
k < 1
4
Q
What does ΔG° < 0 indicate about a reaction?
A
Spontaneous
5
Q
When ΔG° is negative, what is the relationship of k?
A
k > 1
6
Q
What does A G° represent in thermodynamics?
A
Gibbs free energy change
7
Q
In the equation ΔG° = ΔH° - TΔS°, what does ΔH° represent?
A
Change in enthalpy
8
Q
In the equation ΔG° = ΔH° - TΔS°, what does ΔS° represent?
A
Change in entropy
9
Q
What happens to ΔG° as temperature increases for a reaction with ΔS° positive?
A
ΔG° decreases
10
Q
True or False: A reaction with k = 1 is at equilibrium.
A
True
11
Q
Fill in the blank: For a reaction to be spontaneous at high temperatures, ΔS° must be _______.
A
Positive
