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    zowser's Avatar
    zowser Posts: 3, Reputation: 1
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    #1

    Jun 24, 2007, 02:31 AM
    Gas Laws
    A centrifugal air compressor delivers 12.96 Kg/s and I need to establish the volume of air delivered per second in cubic metres.

    The intake air pressure is 1.013 Bar and 15 degrees Celsius. The specific gas constant for air is 287 J Kg K.

    I have come up with 10.57 cubic metres using the gas law PV=mRT. Is this correct?

    Thanks.
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Jun 24, 2007, 03:58 AM
    Yup, I got the same answer as you.
    zowser's Avatar
    zowser Posts: 3, Reputation: 1
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    #3

    Jun 24, 2007, 07:25 AM
    Thanks Capuchin.

    I wasn't too sure if I had used the correct units as this conversion had not been covered in my studies.
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #4

    Jun 24, 2007, 07:50 AM
    I converted kg into Moles and then used the mole gas constant, rather than use the Kg gas constant you were given.
    zowser's Avatar
    zowser Posts: 3, Reputation: 1
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    #5

    Jun 24, 2007, 08:09 AM
    Can you please let me know the mole gas constant and your method so that I fully understand.

    Thanks.
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