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    arga_mde's Avatar
    arga_mde Posts: 1, Reputation: 1
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    #1

    Sep 15, 2007, 03:19 AM
    N2 volume and pressure
    How to calculate N2 volume or mass when there is some pressure differences.
    e.q :

    50 kg N2 liquid at 16 bar -->... m3 N2 gas at 7 bar
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Sep 15, 2007, 03:49 AM
    well you know how many moles there are from the liquid, and you know that a mole of ideal gas takes up 22.4L at STP, so you should be able to use PV=nRT to work out how much volume you have at 7 bar.

    I'm not sure if you should assume the temperature is room or standard, though.
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