Question: 1. [15] (1) Explain about reduced variables (pressure, volume, and temperature) and the principle of corresponding states. (2) Using the definition of heat capacity and

1. [15] (1) Explain about reduced variables (pressure, volume, and temperature) and the principle of corresponding states. (2) Using the definition of heat capacity and the relation (U/T)p=0VVV+CV, show that the relation CpCV= nR is true for a perfect gas. (3) Explain about the 4 paths in the Carnot cycle using a diagram of pressure and volume. Also, mention the entropy change in each path of the Carnot cycle

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