Home Chemistry Thermodynamics and Thermochemistry Heat of Reaction A system changes from state X to Y with a ch…
Chemistry Thermodynamics and Thermochemistry Heat of Reaction Single Correct MCQ
Published on: August 13, 2026

A system changes from state X to Y with a change in internal energy measuring to 25 kJ , by a

reversible path and returns from Y to X by an irreversible path. What will be the net change in internal energy?

A
25 kJ
B
> 25 KJ
C
<25 kJ
D
Zero

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Text Solution

Verified by Experts
The correct answer is:
D

For a cyclic process, net change in internal energy is zero. Change in internal energy does not depend on the path by which final stage is reached.

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