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4 December, 09:58

What is the pressure, in mm Hg, of 2.50 moles of an ideal gas if it has a volume of 50.0 liters when the temperature is 27.0° C?

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  1. 4 December, 10:30
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    Use the ideal gas law:

    PV=nRT

    p = pressure

    v = volume

    n = number of moles of sample

    R = ideal gas constant = ~0.08206 (l*atm) / (K*mole)

    T = Temp in Kelvin

    Now we substitute while simultaneously solving for P (pressure)

    P = (nRT) / V

    P = (2.50 * 0.08206 * (27+273.15)) / 50

    P = Now it's your turn.
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