Question

Asked Dec 12, 2019

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Step 1

Heat capacities are defined in terms of quantity of heat and are related to entropy changes.

The relations connecting heat capacities to the quantity of heat Q and the entropy changes (dS) are given as follows:

Step 2

Equation (1) shows that C_{P} is related to the isobaric change in entropy

Equation (2) shows that C_{V} is related to the isochoric change in entropy

From equations (1) & (2), we can write:

Step 3

From the Second Law and Third ...

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