List of top Chemistry Questions on Thermodynamics asked in CPET

An extensive property of a thermodynamic system among the following is:

A perfect gas expands reversibly at a constant temperature of 298 K so that its volume doubles. What is the change in the molar internal energy of the gas?

The maximum non-PV work that a system can perform at constant pressure and temperature is:

In an isochoric process, which parameter remains constant?