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6 July, 21:09

A sample of nitrogen gas has a volume of 450 cm3 and a pressure of 125 kPa. What volume would the gas occupy at 90 kPa if the temperature were to remain constant?

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  1. 6 July, 21:49
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    V2 = 625 cm^3

    Explanation:

    P1 * V1 = P2 * V2

    P1 (initial pressure) = 125 kPa

    V1 (initial volume) = 450 cm^3

    P2 (final pressure) = 90kPa

    V2 (final volume) = ?

    Rearrange the equation to make V2 the subject, since it is the value we are trying to find

    V2 = (P1 * V1) / P2

    V2 = (125 * 450) / 90

    V2 = 625 cm^3
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