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Change in internal energy when volume goes from V to 2V at constant pressure P

The same question, asked 3 times: 4 May 2023 S2, 20 Apr 2025 S2, 13 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    4 May 2023 S2

    28
    The change in the internal energy of the mass of gas, when the volume changes from 'V' to '2V' at constant pressure 'P' is (γ\gamma is the ratio of specific heat of gas at constant pressure to specific heat at constant volume)

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  2. Question 2

    20 Apr 2025 S2

    27
    The change in the internal energy of the mass of gas, when the volume changes from V to 2 V at constant pressure P is (γ=CpCv)\left( \gamma=\frac{Cp}{Cv} \right)

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  3. Question 3

    13 Apr 2026 S1

    116
    The change in internal energy of the mass of gas, when the volume changes from V to 2V at constant pressure P is (γ\gamma is the ratio of specific heat at constant pressure to that of volume) (γ=CpCv)\left(\gamma = \dfrac{C_p}{C_v}\right)

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