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Air initially occupying a volume of 1 m3 at 100 kPa, 20°C undergoes two internally reversible processes in series.
Process 1-2: compression to 500 kPa during which PV1.2 = constant
Process 2-3: adiabatic expansion to 100 kPa
a) Determine the temperatures at states 2 and 3, in °C
b) Determine the net work, in kJ SHOW YOUR WORKPLEASE!!
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