Free Energy & Equilibrium (College)
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Free Energy & Equilibrium
1.
Which of the following correctly represents the relationship between the free energy change for a reaction at 1 atm and K?
- ∆Gº=RTln(K)
- ∆Gº=-RT/ln(K)
- ∆Gº=R/Tln(K)
- ∆Gº=-RTln(K)
2.
Which of the following correctly represents when the equilibrium point occurs?
- When the value of ∆Gº=1, only
- When the value of ∆Gº<0, only
- When the value of ∆Gº>0, only
- At the lowest value of free energy available to the system
3.
Which of the following equations correctly represents the equation for free energy for a reaction that is NOT at equilibrium?
- ∆Gº=-RTlnK
- ∆G=∆Gº+RTln(Q)
- ∆G=∆Gº-RTln(Q)
- ∆G=∆Gº-RT/ln(Q)
4.
Which of the following equations correctly describes a system that is at equilibrium?
- ∆G<0 and K=Q
- ∆G>0 and K=Q
- ∆G=0, only
- ∆G=0 and K=Q
5.
Which of the following values is the value for ∆Gº, assuming that K>1?
- ∆Gº<0
- ∆Gº>0
- ∆Gº=0
- ∆Gº=1
6.
Which of the following is the value of ∆Gº, assuming that K=1?
- ∆Gº>0
- ∆Gº<0
- ∆Gº=0
- ∆Gº=1
7.
Which of the following correctly represents ln(K), in terms of temperature?
- [math]ln(K)={-∆Hº}/{RT}-{∆Sº}/{R}[/math]
- [math]ln(K)={∆Hº}/{RT}-{∆Sº}/{R}[/math]
- [math]ln(K)={∆Hº}/{RT}+{∆Sº}/{R}[/math]
- [math]ln(K)={-∆Hº}/{RT}+{∆Sº}/{R}[/math]
8.
Which of the following represents ∆Gº, in terms of temperature?
- [math]∆Gº=∆Hº+T∆Sº[/math]
- [math]∆Gº=∆Hº-T∆Sº[/math]
- [math]∆Gº=∆Hº-T/{∆Sº}[/math]
- [math]∆Gº=-∆Hº-T∆Sº[/math]
9.
When ln(K) increases, temperature tends to .
10.
Derive the expression for ∆Gº, based on the expression for ln(K).
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