Gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three… 1 answer below »

gas within a piston–cylinder assembly undergoes a thermodynamic cycle consisting of three processes in series, beginning at state 1 where
m =0.5 kg,
p
₁ = 1 bar,
V
₁ = 1.5 m
³, as follows:

Process 1–2: Compression with
pV = constant,
W
₁₂ =-104 kJ,
u
₁ = 424 kJ/kg,
u
₂ = 780 kJ/kg.

Process 2–3:
W
₂₃ = 0,
Q
₂₃ = -150 kJ.

Process 3–1:
W
₃₁ =48 kJ.

There are no changes in kinetic or potential energy. Determine
Q
₁₂ and
Q
₃₁, each in kJ.

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