Chapter 17, Problem 17.37E

Interpretation Introduction

Interpretation:

The explanation of the fact that equation 17.44 and 17.45 for $A$ and $G$ differ only by the $+1$ term only is to be stated.

Concept introduction:

Gibbs free energy gives the value of the maximum reversible amount of work done by system at a condition of constant temperature and pressure. It is a state function.

Helmholtz energy gives the value of the maximum amount of work done by system at a condition of constant volume. It is a state function.