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Three moles of an ideal gas C(P) = 7//2 ...

Three moles of an ideal gas `C_(P) = 7//2 R` at pressure `P_(A)` and temperature `T_(A)` is isothermally expanded to twice its initial volume. It is then compressed at constant pressure to its original volume. Finally the gas is compressed at `P-V` and `P-T` diagrams indicating the process are

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`(##FIITJEE_PHY_MB_04_C01_E02_020_A01##)`
b. `0.579RT_(A),DeltaQ=0.579RT_(A)`
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