## Statistical vs Residual Entropy

105114680
Posts: 60
Joined: Fri Sep 28, 2018 12:23 am

### Statistical vs Residual Entropy

Can someone explain statistical entropy and how it differs from residual entropy? Dr. Lavelle's lecture slides indicated that statistical entropy had a large error in W. What does that mean in this context?

Gary Qiao 1D
Posts: 66
Joined: Fri Sep 28, 2018 12:26 am

### Re: Statistical vs Residual Entropy

I think statistical and residual are the same except that for residual entropy, the system does not account for thermal entropy, meaning T=0. I think the large error in W means that there is a large error in determining the number of states possible? This part I am not too sure.

deepto_mizan1H
Posts: 65
Joined: Fri Sep 28, 2018 12:16 am

### Re: Statistical vs Residual Entropy

I think that the statements above are correct, as a large error in W (degeneracy) constitutes a small error in the residual entropy. It seems that the residual entropy is flexible to the errors in W. But, as always it doesn't count the thermal entropy we can calculate using the same equation.

105085381
Posts: 44
Joined: Fri Sep 28, 2018 12:15 am

### Re: Statistical vs Residual Entropy

Will we need to be able to identify the difference between statistical vs residual entropy on the midterm?

Fanny Lee 2K
Posts: 73
Joined: Fri Sep 28, 2018 12:29 am

### Re: Statistical vs Residual Entropy

I don't think it's a major focus of the midterm but possibly!!!

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