In an isochoric process,the internal energy of a system decreases by 50J.What is the heat exchange?
A) zero
B) +50 J
C) -50 J
D) none of the above

Question

Quizplus · Accepted Answer

In an isochoric process, the volume remains constant, so no work is done (W = 0). According to the first law of thermodynamics, ΔU = Q - W. Since W = 0, ΔU = Q. Given that ΔU = -50 J, the heat exchange Q is also -50 J.

In an Isochoric Process,the Internal Energy of a System Decreases