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P-V diagram was obtained from state 1 to state 2 when a given mass of gas is subjected to temperature change.during the process gas is...... [correct answer:heated in beginning and cooled towards end]

P-V diagram was obtained from state 1 to state 2 when a given mass of gas is subjected to temperature change.during the process gas is...... [correct answer:heated in beginning and cooled towards end]

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Eshan
askIITians Faculty 2095 Points
5 years ago
The internal energy of the gas at states 1 and 2 is same and equal to 2P_0V_0.
However the internal enegy is maximum at the mid point of the line and is equal to (\dfrac{3P_0}{2})(\dfrac{3V_0}{2})=\dfrac{9P_0V_0}{4}
So as the process occurs, the gas is heated until the mid point to reach the internal energy to maximum and then cooled further.

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