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15 July, 20:20

A gas at 5 degrees celsius occupies a volume of 7.5 L. What volume will the gas occupy at 100 degrees celsius?

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  1. 15 July, 20:44
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    10.06L

    Explanation:

    Data obtained from the question include:

    T1 (initial temperature) = 5°C = 5 + 273 = 278K

    V1 (initial volume) = 7.5L

    T2 (final temperature) = 100°C = 100 + 273 = 373K

    V2 (final volume) = ?

    Using Charles' law equation V1/T1 = V2/T2, the final volume can simply be obtain as illustrated below:

    V1/T1 = V2/T2

    7.5/278 = V2/373

    Cross multiply to express in linear form

    278 x V2 = 7.5 x 373

    Divide both side by 278

    V2 = (7.5 x 373) / 278

    V2 = 10.06L

    The final volume of the gas is 10.06L
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