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## Homework Statement

Hey, I was wondering if I could get some help verifying my answers for these general thermodynamics concept questions. Thanks!

1. A reversible reaction is at equilibrium at constant pressure and temperature if the free energy of the system ______________.

2. Heat absorbed by a system at constant volume is equal to ______________.

3. The entropy of fusion of a substance is always smaller than its entropy of vaporization.

True or False

4. The internal energy of a substance can be brought to zero by cooling the substance all the way down to absolute zero (0 K).

True or False

## Homework Equations

E=q+w

q=mc[itex]\Delta[/itex]T

w=-P[itex]\Delta[/itex]T

[itex]\Delta[/itex]G=[itex]\Delta[/itex]H-T[itex]\Delta[/itex]S

## The Attempt at a Solution

1. is zero

2. [itex]\Delta[/itex]E

3. True

4. True