#### A movable frictionless piston closes a fully insulated cylinder on one side and offers a constant resistance during its moti0n. A paddle work is drawn into the cylinder and does work on the system. Prove that the paddle work is equal to change in enthalpy.

A movable frictionless piston closes a fully insulated cylinder on one side and offers a constant resistance during its moti0n. A paddle work is drawn into the cylinder and does work on the system.

Prove that the paddle work is equal to change in enthalpy.

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