1. Gibb's Free Energy is

Question

a. the spontaneous energy of a reaction ***
b. the chemical energy that can be used for performing work
c. the non-spontaneous energy of a reaction
d. the amount of activation energy needed for a reaction to start

2. Which reaction below is spontaneous at SATP?
a. ∆Hº=34.1 kJ and ∆Sº=46.2 J/K
b. ∆Hº=43.7 kJ and ∆Sº=-12.1 J/K
c. ∆Hº=25.0 kJ and ∆Sº=3.46 J/K
d. ∆Hº=10.8 kJ and ∆Sº=55.2 J/K ***

3. A reaction is spontaneous. What can you conclude about the reverse reaction?
a. It must be endothermic.
b. It is non-spontaneous. ***
c. It must have a decrease in entropy.
d. It is in equilibrium.

Answer 1

I agree with 2 and 3 but I disagree with 1.

Answer 2

Is 1 b?

Answer 3

I would choose that.