Although expressions like -(d lnq)/d beta, where is the average value of Epsilon

Question

Although expressions like -(d lnq)/d beta, where is the average value of Epsilon and q is the molecular partition function are useful for manipulations in statistical thermodynamics and for the derivation of thermodynamic functions in closed formulas, they are sometimes more trouble than they are worth in practical applications. When given together with a table of energy levels, it is often much better to calculate the following sums by explicit summations: (a) Derive expressions for internal energy, heat capacity at constant volume, and entropy in terms of q, q^I, and q^II. (b) Calculate by this technique the electronic contribution to C V,m of Mg vapour at 5000K, using:

Explanation / Answer

http://www.chem.iitb.ac.in/~bltembe/pdfs/ch_3.pdf

Page N. 70 to 73

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