2 a gas undergoes a cycle in a pistoncylinder assembly consisting of t
2. A gas undergoes a cycle in a pistoncylinder assembly consisting of the following three processes:
Process 1→2: Constant pressure, p = 1.4 bar, V₁ = 0.028 m³, W12 = 10.5 kJ
Process 2→3: Compression with pV = constant, U3 = U₂
Process 3→1: Constant volume, U₁ - U3 = -26.4 kJ
There are no significant changes in kinetic or potential energy.
a. Sketch the cycle on a p-V diagram.
b. Calculate the net work for the cycle, in kJ.
c. Calculate the heat transfer for process 1-2, in kJ.
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