## 9.13 6th Edition

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

Lauryn Shinno 2H
Posts: 59
Joined: Fri Sep 28, 2018 12:24 am

### 9.13 6th Edition

The answer key uses delta S=nR(ln(T2/T1)). When can you use this instead of delta S=cln(T2/T1)?

Matthew Tran 1H
Posts: 165
Joined: Fri Sep 28, 2018 12:16 am

### Re: 9.13 6th Edition

This is a error in the solutions manual; if you check the website under "Solution Manual Errors 6th Edition" it is there. The equation in the textbook and on the equations and constants sheet is $\Delta S=nCln\frac{T_{2}}{T_{1}}$ and should be the one you use. The corresponding problem in the 7th edition is 4F.11 so if any of the mods see this please add it to the Solution Manual Errors 7th Edition!

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