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7 November, 06:48

Boyle's law says that the volume of a gas varies inversely with the pressure. when the volume of a certain gas is 5l, the pressure is 512 kpa (kilopascals). what is the pressure when the volume is 4l

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  1. 7 November, 10:26
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    Boyle's law states:

    pV = C, where p = pressure, V = volume, C = constant.

    Therefore,

    p1V1 = p2V2

    And the,

    p2 = p1V1/V2

    p1 = 512 kPa

    V1 = 5l

    p2 = ?

    V2 = 4l

    Therefore,

    p2 = 512*5/4 = 640 kPa
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