Four kilomoles of a monoatomic idel gas are at a temperature of 300 K. The gas expands reversibly and isothermally to twice its original volume.
1) Sketch the process in the P-V plane.
2) Compute the work done by the gas.
3) Compute the heat supplied to maintain constant temperature. Note U=U(T).
The sketch is given below
Work done by the gas
Now putting the given values, we get
And for isothermal process, we have
So, the heat suppled
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