Argon is contained in a cylinder device fitted with a piston. Initially, the argon is at 100 kPa and 27°C and occupies a volume of 0.4 m3. The argon is first compressed while the temperature is held constant until the volume is 0.2 m3. Then the argon expands while the pressure is held constant until the volume is 0.6 m3.
(a) Sketch both processes on a single P-V diagram showing the direction of the processes and label the end states as 1,2, and 3.
(b) Determine the total amount of net heat transferred to the argon, in kJ, during the combined processes.
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