Recent content by mortalapeman

Thanks so much for clearing that up for me. These things always seem to be so simple, can't believe I didn't see that xD

Homework Statement This is really just a question that I can't seem to find a good solution for in my book. Basically I'm trying to understand for the first law of thermodynamics how you can derive the equation in term of P1 and P2. I don't understand how to go from PdV to (something)dP. This...