Question: A certain molecule can exist in either a non-degenerate singlet state or a triplet state (with degeneracy 3). The energy of the triplet exceeds that

A certain molecule can exist in either a non-degenerate singlet state or a triplet state (with degeneracy 3). The energy of the triplet exceeds that of the singlet by ε. Assuming that the molecules are distinguishable (localized) and independent,

(a) Obtain the expression for the molecular partition function.

(b) Find expressions in terms of ε for the molar energy, molar heat capacity, and molar entropy of such molecules and calculate their values at T = ε/k.

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Solution The partition function for such a system can be written as S 1 S 1 S 2 SS 1 where S a... View full answer

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