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Question

Physical Chemistry Question on Thermodynamics

A system undergoes one clockwise cycle from point X back to point X as shown in the figure below:
clockwise cycle-point X back to point X
The correct statement about this process is

A

Internal energy of the system decreases at the end of the cycle

B

Entropy of the system increases at the end of the cycle

C

System performs work on the surroundings during the cycle.

D

Heat exchanged between system and surroundings is zero during the cycle.

Answer

System performs work on the surroundings during the cycle.

Explanation

Solution

The correct option is (C): System performs work on the surroundings during the cycle.