A cylinder/piston contains 1kg methane gas at 100 kPa, 20 C. The gas is compressed reversibly to a pressure of 800 kPa. Calculate the work required if the process is isothermal.

A cylinder/piston contains 1kg methane gas at 100 kPa, 20 C. The gas i

1.	A cylinder/piston contains 1kg methane gas at 100 kPa, 20 C. The gas is compressed reversibly to a pressure of 800 kPa. Calculate the work required if the process is isothermal.
A.	-216.0 kJ
B.	-316.0 kJ
C.	-416.0 kJ
D.	-516.0 kJ
Answer» C. -416.0 kJ

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A cylinder/piston contains 1kg methane gas at 100 kPa, 20 C. The gas is compressed reversibly to a pressure of 800 kPa. Calculate the work required if the process is isothermal.

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