Editing Talk:Second virial coefficient
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:: And by the way, if this angle brackets mean the average, hence the second virial coefficient should depend on density, i.e <math>B_2(\rho, T)</math>. | :: And by the way, if this angle brackets mean the average, hence the second virial coefficient should depend on density, i.e <math>B_2(\rho, T)</math>. | ||
::: I highly recommend reading § 12-2 and § 12-3 of "Statistical Mechanics" by Donald A. McQuarrie. The | ::: I highly recommend reading § 12-2 and § 12-3 of "Statistical Mechanics" by Donald A. McQuarrie. The problem is that the integral is often ''very hard'' to integrate analytically for anything other than, say, the [[Hard sphere: virial coefficients | hard sphere model]]. (See also the page on [[cluster integrals]]). The problem mentioned by Hill arises "...from the treatment of an imperfect gas as a perfect gas mixture of physical clusters". All the best --[[User:Carl McBride | <b><FONT COLOR="#8B3A3A">Carl McBride</FONT></b>]] ([[User_talk:Carl_McBride |talk]]) 15:54, 3 May 2011 (CEST) | ||