Heat and Thermal ExpansionHard

Question

In a process on a closed system of ideal gas, the initial pressure and volume is equal to the final pressure and volume 

Options

A.initial internal energy must be equal to the final internal energy
B.the work done on the system is zero
C.the work done by the system is zero
D.the initial temperature must be equal to final temperature

Solution

Here n = constant so if P2 = P1 and C2 = V1 then T2 = T1
Also work dine by the system may be zero or may not be zero.

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