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4 July, 23:35

What is the volume (in liters) of 1.00 mole of krypton gas that has a pressure of 1140 mm hg and a temperature of 25.0°c? (r = 0.0821 l atm / mol k) ?

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  1. 4 July, 23:47
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    The volume (in liters) of 1.00 moles of krypton gas is 16.31 L

    Calculation

    The volume of krypton is calculated using ideal gas equation

    that is PV=nRT where

    P (pressure) = 1140 mm hg

    convert 1140 mmhg into atm

    = 1 atm = 760 mmhg

    ? atm = 1140 mm hg

    by cross multiplication

    = (1 atm x1140 mmhg) / 760 mmhg = 1.5 atm

    V (volume) = ? L

    n (number of moles) = 1.00 mole

    R (gas constant) = 0.0821 L atm / mol. K

    T (temperature) = 25 c into kelvin = 25+273 = 298 K

    make v the subject of the formula by dividing both side by P

    V = nRT/P

    V = [ (1.00 mole x 0.0821 L. atm/mol. k x 298 K) / 1.5 atm ] = 16.31 L
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