 ##### Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.

See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

# Free Energy & Equilibrium (College)

Print Test (Only the test content will print)

## 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?
1. ∆Gº=RTln(K)
2. ∆Gº=-RT/ln(K)
3. ∆Gº=R/Tln(K)
4. ∆Gº=-RTln(K)

2.
Which of the following correctly represents when the equilibrium point occurs?
1. When the value of ∆Gº=1, only
2. When the value of ∆Gº<0, only
3. When the value of ∆Gº>0, only
4. 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?
1. ∆Gº=-RTlnK
2. ∆G=∆Gº+RTln(Q)
3. ∆G=∆Gº-RTln(Q)
4. ∆G=∆Gº-RT/ln(Q)

4.
Which of the following equations correctly describes a system that is at equilibrium?
1. ∆G<0 and K=Q
2. ∆G>0 and K=Q
3. ∆G=0, only
4. ∆G=0 and K=Q
5.
Which of the following values is the value for ∆Gº, assuming that K>1?
1. ∆Gº<0
2. ∆Gº>0
3. ∆Gº=0
4. ∆Gº=1

6.
Which of the following is the value of ∆Gº, assuming that K=1?
1. ∆Gº>0
2. ∆Gº<0
3. ∆Gº=0
4. ∆Gº=1
7.
Which of the following correctly represents ln(K), in terms of temperature?
1. $ln(K)={-∆Hº}/{RT}-{∆Sº}/{R}$
2. $ln(K)={∆Hº}/{RT}-{∆Sº}/{R}$
3. $ln(K)={∆Hº}/{RT}+{∆Sº}/{R}$
4. $ln(K)={-∆Hº}/{RT}+{∆Sº}/{R}$

8.
Which of the following represents ∆Gº, in terms of temperature?
1. $∆Gº=∆Hº+T∆Sº$
2. $∆Gº=∆Hº-T∆Sº$
3. $∆Gº=∆Hº-T/{∆Sº}$
4. $∆Gº=-∆Hº-T∆Sº$
9.
When ln(K) increases, temperature tends to                       .

10.
Derive the expression for ∆Gº, based on the expression for ln(K).        You need to be a HelpTeaching.com member to access free printables.