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29 September, 04:03

What will be the new volume when 128 ml of gas at 20.0°c is heated to 40.0°c while pressure remains unchanged?

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  1. 29 September, 07:03
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    The relation between the volume, pressure and temperature of gases is shown using the following equation:

    (pressure x volume) 1 / temperature1 = (pressure x volume) 2 / temperature2

    This relation is actually established by combining the three gas laws (Boyle's, Charles's and Gay-Lussac's)

    At constant pressure,

    (volume/temperature) 1 = (volume/temperature) 2

    128/20 = v2/40

    Volume = 256 ml
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