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    dude420's Avatar
    dude420 Posts: 1, Reputation: 1
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    #1

    Mar 14, 2011, 04:24 PM
    Calculate the volume of the gas at 25 degrees C and 975 kPa
    A 500 g block of dry ice becomes a gas at room temperature
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Mar 14, 2011, 10:24 PM

    1. Find the number of moles of carbondioxide in the dry ice.



    2. Use the formula:



    P is the pressure in Pa
    V is the volume you're looking for in m^3
    n is the number of moles you got in part 1.
    R is the ideal gas constant, 8.31
    T is the temperature in Kelvin.
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