100 moles of an ideal monatomic gas undergoes the thermodynamic process as shown in the figure
A
→ B : isothermal expansion
B
→ C : adiabatic expansion
C
→ D : isobaric compression
D
→ A : isochoric process
The heat transfer along the process AB is
9×104J . The net work done by the gas during the cycle is [Take
R=JK−1mol−1]
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