U can be written as a function of the independent variables T and V as,
→ (7.1)
differentiating,
→ (7.2)
By the definition of CV,
From fundamental relation I,
dividing by dV and at consatnt T,
→ (7.3)
From the Maxwell relation 2 ,
Therefore,
→ (7.4)
substituting these in Equn.7.2,
→ (7.5)
Last Modified on: 04-Feb-2022
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