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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 constant volume to the original pressure `P_(A)`.The correct P-V and P-T diagram indicating the process are

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
a, c
Let the process starts from initial pressure `P_(A)`, volume `V_(A)`and temperature `T_(A)`.
I. Isothermal expansion (PV = constant) at temperature `T_(A)`to twice the initial volume `V_(A)` II. Compression at constant pressure `P_(A)//2` to original volume `V_(A) (i.e., V propto T)`
III. Isochoric process (at volume `V_(A)`) to initial conditions `(i.e., P propto T)`.
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