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    • The 1 mol of an ideal gas is compressed reversible from 1 bar to 5 bar at a constant temperature of 300 K. How much work is involved (in kJ)
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    The 1 mol of an ideal gas is compressed reversible from 1 bar to 5 bar at a constant temperature of 300 K. How much work is involved (in kJ)

    Rohith 9th Nov, 2020
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    Answer (1)
    Tunir Sikdar 9th Nov, 2020

    Hi Rohith,

    The 1 mol of an ideal gas is compressed reversible from 1 bar to 5 bar at a constant temperature of 300 K.

    This is a reversible & isothermal process.

    Here T=300K.

    work done =−nRT*ln(P1/P2)

    n=1 mole

    P1=1bar P2=5bar

    R=8.3144598 J. mol - 1 . K - 1 .

    So,

    W=-2494.2*(-1.609)=4014.26 J

    So work done is 4.01 kJ. Since this is a case of ideal gas, so the work done is positive.

    Hope this helps!

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