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

Question

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?

Prashant Kotian · Accepted Answer

Correct answer: D. Internal energy is a state function. For any cyclic process (returning to the initial state A), the net change in a state function is zero, regardless of the paths taken.

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