A system changes from state X to Y with a change in internal energy measuring to 25 kJ mol- 1 , by a reversible path and returns from Y to X by an irreversible path. What will be the net change in internal energy?

Question

A system changes from state X to Y with a change in internal energy measuring to 25 kJ mol- 1 , by a reversible path and returns from Y to X by an irreversible path. What will be the net change in internal energy? (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

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.

Q. A system changes from state X to Y with a change in internal energy measuring to 25 kJmol−1 , by a reversible path and returns from Y to X by an irreversible path. What will be the net change in internal energy?

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.

Q. A system changes from state $X$ to $Y$ with a change in internal energy measuring to 25 $k J m o l^{- 1}$ , by a reversible path and returns from $Y$ to $X$ by an irreversible path. What will be the net change in internal energy?