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14 April, 20:50

A sample of gas has a volume of 3.50 L and a temperature of 298 K. What would be the volume of the same gas sample if the temperature is decreased to 285 K at a constant pressure?

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  1. 14 April, 20:55
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    Initial Conditions:

    Volume=v1 = 3.5 L

    Temperature = T1 = 298K

    Final Conditions:

    Temperature = T2 = 285K

    Volume = v2 = ?

    Use the general gas equation;

    P1*v1/T1 = P2*v2/T2

    Note:

    Pressure is constant

    so the equation become,

    v1/T1 = v2/T2

    3.5/298 = v2/285

    v2 = 3.347 L
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