## 9.71b

Volume: $\Delta S = nR\ln \frac{V_{2}}{V_{1}}$
Temperature: $\Delta S = nC\ln \frac{T_{2}}{T_{1}}$

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Kayla Ikemiya 1E
Posts: 56
Joined: Fri Sep 29, 2017 7:04 am

### 9.71b

Can someone please give me a better answer than the one in the solutions manual? How would you be able to tell whether the phase change would change the answer without looking at the values?

Leah Thomas 2E
Posts: 51
Joined: Fri Sep 29, 2017 7:06 am

### Re: 9.71b

In general you should know that the gaseous phase of any compound has a higher entropy than the liquid phase because of the greater volume and the vibrational motion the molecules occupy when it is a gas.

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