Of the following which might NOT vanish over one cycle of a cyclic process?

Question

Quizplus · Accepted Answer

The work done by the substance may not necessarily vanish over one cycle of a cyclic process since it depends on the path taken by the process. If the process involves a non-zero net work done by or on the substance, the work done will not vanish over one cycle. Conversely, the internal energy, pressure, volume, and temperature of the substance will always return to their initial values over one cycle of a cyclic process.

Of the Following Which Might NOT Vanish Over One Cycle