2.31 - Sackur Tetrode equation
2.34 - Entropy for quasistatic expansion of ideal gas
2.35 - Low temperature limit of validity
2.37 - Entropy of mixture of gases with arbitrary ratio
2.40 - Explain why the entropy (ie multiplicity of the macrostate) increases in each case
3.5 - Relation between T and U for an Einstein solid at low q