Q. If the pressure of a gas at 27°C is 15 mm Hg, what will be its pressure at 127°C, use B = 5 X 10³, C = 0, T is in kelvin and P is in mm Hg?

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Q. Pressure of a gas at 127°C is 10 mm Hg and the pressure at 527°C is 20 Pa, what is the value of B?

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Q. Pressure of a gas at temperature T is P, What is the pressure of the gas at 2T, use B = 1?

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Q. What is the pressure of CO₂ at 325 K, if it is given that pressure at 330 K is 6 Pa, and pressure at 320 K is 4 Pa?

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Q. Temperature of SO₂ at 5 Pa is 395 K and at 10 Pa temperature is 420 K, what is the temperature at 6 Pa?

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Q. At which of the following values of pressure a solid melts first?

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Q. A liquid evaporates first at which of the following conditions?

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Q. At triple point, vapor pressure of ice is given by ln p* = 18 – 2560/T, and vapor pressure of water is given by ln p* = 28 – 5120/T, what is the temperature at triple point?

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Q. The vapor pressure of liquid benzene is given by ln p* = 15 – 1280/T, and that of vapor benzene is given by ln p* = 23 – 2560/T, what is the boiling point of benzene?

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Q. The vapor pressure of a compound in liquid phase is given by ln p* = 21 – 2800/T, and in solid phase it is given by ln p* = 28 – 3500/T, what is the sublimation temperature of the compound?

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Q. For CaOCl₂ , the rate of evaporation is given by W = 325p^0.5M/T^1.5 g/liter, where T is in K, p in mm Hg, and M is molecular weight, if its pressure is given by ln p* = 25 – 2700/T, what is the evaporation rate at T = 150 K?

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Q. What is the vapor pressure of ammonia at 305 K, if it is given that the vapor pressure of ammonia at 315 K is 5 mm Hg and at 325 K it is 6 mm Hg?

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Q. The pressure of a compound at 200 K is 10 mm Hg and at 400 K it is 50 mm Hg, what is the pressure at T = 250 K?

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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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