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May 24, 2015

Homework Help: chemistry

Posted by laura on Monday, December 5, 2011 at 6:51pm.

A fixed amount of gas initially at 100 K and pressure P1 is expanded from 1 L to 100 L in a piston. The temperature, T2, of the gas at this point is 50 K. The piston is then locked at constant volume V2=100 L and half the gas is pumped out at a constant temperature of T2 . The observed pressure, P3, after half the gas is removed under these conditions is 0.03 atm. What was the initial pressure, P1 ?

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