A gas at constant pressure P1, volume V...

A gas at constant pressure `P_1, volume V_1` and temperture `T_1` is suddenly compressed to `V_1/2` and then slowly expanded to `V_1` again.Find the final temperature and pressure.

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The correct Answer is:

`2^(gamma-1) P_1` and `2^(gamma-1)T_2`

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