Posted by **Dermot** on Friday, January 18, 2013 at 4:11am.

Hey i have an idea how to do this but am not sure could you please help and show work.

12 moles of a gas sample at an initial temperature of 12 degrees celcius at a pressure

of 200 Pa is allowed to expand isothermally and reversibly against a

pressure of 50 kPa. Calculate the work done on or by the gas.

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