Boris asked in Science & MathematicsPhysics · 5 months ago

Calculate the specific volume of natural gas under standard temperature and pressure?

(i.e. p=1013hPa, t=0C). Volume composition;

N2=0,05; CH4=0,95; MN=14[kg/kmol]; MC=12[kg/kmol]; MH=1[kg/kmol]

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  • NCS
    Lv 7
    5 months ago
    Favorite Answer

    We have STP, and we know that 1 mole of gas occupies

    V = 22.4 L = 0.0224 m³

    molar mass of NG is

    M = (0.05*2*14 + 0.95*(12 + 4*1)) g/mol = 16.6 g/mol

    so

    spec vol = V / m = 0.0224m³/mol / 0.0166kg/mol

    spec vol = 1.35 m³/kg

    at STP

    Hope this helps!

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