## Residual entropy and statistical entropy

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

JukaKim_1D
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Joined: Fri Sep 25, 2015 3:00 am

### Residual entropy and statistical entropy

What is the difference between residual entropy and statistical entropy? Is there a difference?

Saira Shahid 3K
Posts: 48
Joined: Fri Sep 25, 2015 3:00 am

### Re: Residual entropy and statistical entropy

I found this answer in a previous thread where Dr. Lavelle explains them both. Hope this helps!
Chem_Mod wrote:The formula S = k ln(W) is sometimes called statistical entropy. Here W is the number of states that a system can exist in, each state having the same energy. Residual entropy is the same thing but one is calculating the number of states (or entropy) for a system that is close to zero energy. One expects S ---> 0 as E ----> 0 except when there is residual entropy.

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