CCL: translational entropy and solvation
- From: John Gunn <jgunn::mailaps.org>
- Subject: CCL: translational entropy and solvation
- Date: Wed, 17 Dec 2008 10:22:02 -0500
Sent to CCL by: John Gunn [jgunn=-=mailaps.org]
> - And I am not happy that you agree with my regarding the 3/2 vs. 5/2 RT
> for the translational entropy of a molecule in the gasphase: Meanwhile
> Frank Jensen told me that his erratum was wrong and that is should be
> 5/2, and he sent me a plausible derivation of that. The Atkins book also
> says 5/2. When you look to the internet you find 3/2 and 5/2 about
> equally often, and you find nice derivations for both. I am completely
> confused now and have to clarify this for myself over Christmas. Is
> there a difference in the ensembles considered? I do not find that in
> the premisses of the literature derivations.
The difference here is Gibbs paradox. It depends on whether or not you
are considering distinguishable particles.
John Gunn (jgunn*_*mailaps.org) | "Ain't no Vietcong
Chemical software development | ever called me nigger"
Rosemere, Quebec | - Muhammad Ali (1964)