## Irreversible Expansion

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

Renee Grange 1I
Posts: 56
Joined: Fri Aug 30, 2019 12:16 am
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### Irreversible Expansion

Why do irreversible free expansion do zero work? ( this is used in question 4I.9)

Daniela Shatzki 2E
Posts: 53
Joined: Sat Aug 24, 2019 12:16 am

### Re: Irreversible Expansion

with free expansion, there is no pressure being put on the system and therefore no work can be done because it is not going against any force.