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7 July, 23:54

A 2.50-l volume of hydrogen measured at â196 °c is warmed to 100 °c. calculate the volume of the gas at the higher temperature, assuming no change in pressure

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  1. 8 July, 00:18
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    To solve this we assume that the hydrogen gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant pressure and number of moles of the gas the ratio T/V is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

    T1 / V1 = T2 / V2

    V2 = T2 x V1 / T1

    V2 = (100 + 273.15) K x 2.50 L / (-196 + 273.15) K

    V2 = 12.09 L

    Therefore, the volume would increase to 12.09 L as the temperature is increased to 100 degrees Celsius.
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