Determine the boundary work done by the process
A piston-cylinder device initially contains 0.07m^3 of nitrogen gas at 130kPa and 120 Degrees Celsius. The nitrogen is now expanded polytropically to a state of 100kPa and 100 degrees Celsius. Determine the boundary work done by the process.
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The volume of 1 kg of helium in a piston-cylinder device is initially 5m^3. Now the helium is compressed to 3m^3 while its pressure remains constant at 200kPa. Determine the initial and final temperatures of helium as well as the work required to
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