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## Homework Statement

Consider a cyclic process involving a gas. If the pressure of the gas varies during the process but returns to the original value at the end, is it correct to write [itex]ΔH=q[/itex]

## Homework Equations

## The Attempt at a Solution

I'm actually not sure. q is a path function and H is a state function. To be honest I have no idea how to approach this problem, perhaps someone can give me a small hint.

BiP