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30 November, 09:40

8. A gas is contained in a horizontal piston-cylinder apparatus at a pressure of 350 kPa and a volume of 0.02 m3. Determine the work done by the piston on the gas if the cylinder volume is increased to 0.15 m3 through heating. Assume the pressure of the

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  1. 30 November, 11:14
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    45500 J

    Explanation:

    Pressure, P = 350 kPa = 350 x 1000 Pa

    V1 = 0.02 m^3

    V2 = 0.15 m^3

    Work done by the piston

    W = Pressure x increase in volume

    W = P x (V2 - V1)

    W = 350 x 1000 (0.15 - 0.02)

    W = 45500 J

    Thus, the work done is 45500 J.
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