An ideal gas undergoes a cyclic process in which total (positive)work W is done by the gas.What total heat is added to the gas in one cycle?
A)W
B)-W
C)zero
D)2W
E)W/2

Question

Quizplus · Accepted Answer

According to the first law of thermodynamics, the total heat added to a system (Q) is equal to the work done by the system (W) plus the change in internal energy (ΔU). For a cyclic process, the internal energy of the system returns to its initial value, so ΔU = 0. Therefore, Q = W.

An Ideal Gas Undergoes a Cyclic Process in Which Total