Chemistry

What pressure (in atmospheres) will be exerted by 1.3 moles of gas in a 13 litre flask at 22 degrees Celcius? (Gas constant (R) = 0.0821 L atm K^-1 mol^-1)

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  1. Use ideal gas law:

    PV=nRT (T in °K)

    =>

    P=nRT/V
    =1.3 mol *0.0821 L atm °K-1 mol-1 *(22+273.16)°K/13 L
    =2.423 atm
    =2.4 atm (approx.)

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