Chapter 3, Problem 3.47E

Which system has the higher entropy? (a) $\text{1}\text{g}$ of solid $\text{Au}$ at $1064\text{K}$ or $\text{1}\text{g}$ of liquid $\text{Au}$ at $1064\text{K}$? (b) $1$ mole of $\text{CO}$ at STP or $1$ mole of ${\text{CO}}_2$ at STP? (c) $1$ mole of $\text{Ar}$ at a pressure of $\text{1}\text{atm}$ or $1$ mole of $\text{Ar}$ at a pressure of $\text{0}\text{.01}\text{atm}$?