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6 May, 06:50

A gas has a volume of 3L at 21'c, if the gas heater to 100'c, what is the new volume?

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  1. 6 May, 08:46
    0
    38.1 L

    Explanation:

    Data given:

    initial volume V1 of a gas = 3 L

    initial Temperature T1 of a gas = 21 °C

    convert Temperature to Kelvin

    T1 = °C + 273

    T1 = 21°C + 273 = 294 K

    final Temperature T2 of a gas = 100°C

    convert Temperature to Kelvin

    T2 = °C + 273

    T2 = 100°C + 273 = 373 K

    final Volume V2 of a gas = ?

    Solution:

    This problem will be solved by using Charles' law equation at constant pressure.

    The formula used

    V1 / T1 = V2 / T2

    As we have to find out Volume, so rearrange the above equation

    V2 = V1 x T2 / T1

    Put value from the data given

    V2 = 3 L x 373 K / 294 K

    V2 = 38.1 L

    So the final Volume of a gas = 38.1 L
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