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How much does 1m^3 oxygen at 10 bar weight at 0 degree celsius?

  1. Feb 7, 2013 #1
    1. The problem statement, all variables and given/known data
    How much does 1m3 air (oxygen) weight with 10 bar pressure at 0 degrees celsius?



    1. The problem statement, all variables and given/known data


    0 degrees Celsius = 273.15 kelvin

    3. The attempt at a solution
    I saw this formula on another thread:
    1 atm = 101,325 pascals ~ 1.2 atm = 121,590 pascals
    27oCelsius = 300.15 K

    Density = (121,590 pascals)/(8.314 * 300.15 K) = 48.72 kg/m3 = 48,720 g/m3

    1 000 000/(8,314*273,15)=
    1 000 000/2270,9691=440,34

    440,34kg/m^3


    1. The problem statement, all variables and given/known data
    10 bar
    1m3
    0 degrees celsius
    oxygen

    2. Relevant equations
    ?


    Thanks in advance
     
  2. jcsd
  3. Feb 7, 2013 #2
    You're given values for P, V and T for the gas.
    Do you know any expression that relates these values to each other?
     
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