The internal energy change when a system goes from state $A$ to $B$ is 40 kJ/mol. If the system goes from $A$ to $B$ by a reversible path and returns to state $A$ by an irreversible path, what would be the net change in internal energy?

Question

Dr. Abubacker · Accepted Answer

(d)
In a cyclic process, $\mathrm{\Delta}E = 0$.

Q. The internal energy change when a system goes from state $A$ to $B$ is 40 kJ/mol. If the system goes from $A$ to $B$ by a reversible path and returns to state $A$ by an irreversible path, what would be the net change in internal energy?

Explanation

Reviewed by Dr. Abubacker

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