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8 . 1 3 A mixture of benzene vapour and nitrogen gas at 1 0 5 kPa and 3 3 0 K contains benzene vapour
A mixture of benzene vapour and nitrogen gas at kPa and contains benzene vapour to the extent that it exerts a partial pressure of kPa. The vapour pressure of benzene is given by the Antoine equation
Determine the following:
a The mole fraction of benzene in the mixture
b The weight fraction of benzene in the mixture
c The molal humidity
d The absolute humidity
e The molal saturation humidity
f The absolute saturation humidity
g The mass of benzene in of the mixture
h The percent humidity
i The percent relative humidity
A mixture of benzene vapour and air contains benzene by volume at and kPa. The vapour pressure of benzene at is kPa. Calculate the following:
a The partial pressure of benzene in the mixture
b The weight fraction of benzene in the mixture
c The molal humidity
d The absolute humidity
e The percent saturation
f The percent relative saturation
g The mass of air in of the mixture
The percent saturation of a mixture of acetone vapour and nitrogen at kPa and is found to be The vapour pressure of acetone is given by the Antoine equation with constants, and Calculate the following:
a The molal humidity
b The absolute humidity
c The partial pressure of acetone
d The relative saturation
e The dew point
Moist air contains water vapour per cubic metre of the mixture at and kPa. Calculate the following:
a The partial pressure of water vapour
b The relative saturation
c The absolute humidity of the air
d The percent saturation
e The temperature to which the mixture be heated so that its percent saturation becomes no
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