Q. A vessel contains air and vapor H₂O, if the partial pressure of vapor H₂O is 4 atm and pressure of air is 1 atm, what is the fraction of vapor H₂O in vessel?

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Q. A container has vapor H₂O with partial pressure 9 atm, what is fraction of air in the vessel?

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Q. A system has partial pressure 500 mm Hg and the saturated water vapor has partial pressure 25 mm Hg, what is the fraction of water vapor in the system?

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Q. The partial pressure of a system at 49°C is 125 mm Hg and saturated ammonia vapor has partial pressure 20 mm Hg at 49°C, what is the fraction of ammonia vapor in the system?

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Q. What is the dew point of water at standard conditions?

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Q. CH₄ is burnt with 100% excess O₂ at atmospheric pressure, if CH₄ conversion is 100%, what is the pressure at dew point?

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Q. Ethane is burnt with 20% excess O₂ at 2 atm, conversion rate of ethane is 50%, what is the pressure at due point?

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Q. Ethanol is burnt with required amount of O₂ at atmospheric pressure, the conversion of ethanol is 100%, what is the pressure at due point?

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Q. 100 KPa of water vapor at 27°C is saturated with air in a system, what is the mole fraction of air?

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Q. 10 KPa of water vapor at 27°C is saturated with air in a system, what is the mole fraction of air?

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Q. Which of the following defines condensation?

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Q. Which of the following is not a way of condensation of vapor?

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Q. Condensation starts at which point?

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Q. If the fraction of water vapor at 27°C and 5 atm is 0.5, then what is the fraction of water vapor at 27°C and 1 atm?

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Q. What is the fraction of water vapor at 27°C and 1 atm, if the fraction of water vapor at 127°C and 1 atm is 0.8?

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Q. A process is carried out for the feed mixture of 90% air and 10% water vapor, the compressor recovered 90% of water, what is the exit pressure of the compressor, if the partial pressure of water vapor is 50 mm Hg?

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Q. A process is carried out for the feed mixture of 95% air and 5% ammonia vapor, the compressor recovered 40% of ammonia, what is the exit pressure of the compressor, if the partial pressure of ammonia vapor is 10 mm Hg?

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Q. A process is carried out for the feed mixture of 80% air and 20% CO₂, the compressor recovered 50% of CO₂, what is the exit pressure of the compressor, if the partial pressure of CO₂ is 15 mm Hg?

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Q. A process is carried out for the feed mixture of 50% air and 50% methane vapor, the compressor recovered 20% of methane, what is the exit pressure of the compressor, if the partial pressure of methane vapor is 25 mm Hg?

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Q. A process is carried out for the feed mixture of 40% air and 60% oxygen, the compressor recovered 2% of oxygen, what is the exit pressure of the compressor, if the partial pressure of oxygen vapor is 5 mm Hg?

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