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Figure P2.73 shows a power cycle executed by a gas in a pistoncylinder assembly For process 3 1 Q31 10kJ For process1 2 U2 U1 15kJ There are no changes in kinetic

Figure P2.73 shows a power cycle executed by a gas in a pistoncylinder assembly.For process 3-1,Q31 = 10kJ. For process1-2, U2 - U1 = 15kJ.There are nochanges in kinetic orpotential energy.
Determine:
(a) the work for each process in kJ
(b)the heat transfer for processes 1-2 and 2-3, each inkJ
(c) the thermal efficiency

The figure is a graph of V(m^3) vs, p(kPa) and the pointsgiven are as follows
State 1
V1 =1
p1 = 5

State 2
V2 = 5
p2 = 3

State 3
V3 = 1
p3 = 1

Due to there being no kinetic or potential energy I think I shoulduse
ΔU = Q - W

but I have no clue how to attack the solution.

May 08 2020 View more View Less

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