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A stream of air at and contains water by volume. Calculate:

a) The percentage of the vapour that condenses and the final composition of the gas phase if the air is cooled to at constant pressure.

b) The percentage of the vapour that condenses and the final composition of the gas phase if, instead of being cooled, the air is compressed isothermally to .

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Related questions

4 liter sealed container contains water vapour at 0.4 atm and 90°C. a) What is the dew point of the vapour? b) Determine the percentage of the vapour that will condense if the system is cooled to 50°C.

1000kg of gas is to be burned, having a composition ofCnH2n. If air has a composition of 21% O2 and79%N2, and complete combustion occurs to CO2, and H2O, what is thevolume at 200 degrees Celsius and 1atm of stack gas generated, andwhat is the composition of the gas in mol% when the combustion iscarried out where:

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b) 50% excess air is used

HINT: gas laws (PV=nRT), and stack gas contains all gasesfrom combustion including water vapour.

I don't understand how to go about completing these questions. Help is appreciated!

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