Chemistry

Chemistry, 02.11.2019 05:31, bree249

Avapor stream that is 65 mole% styrene and 35 mole% toluene is in equilibrium witha liquid mixture of the same two species. the pressure in the system is 150 mmhg absolute. use raoult’s law combined with the antoine equation to estimate the composition of the liquid andthe system temperature.

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Chemistry, 10.10.2019 05:30, ejsteel2

Awaste gas contains 0.6 mol% toluene in air and occupies a volume of 2,470 m3 at 298 k and 141 kpa. in an effort to reduce the toluene content of this gas, it is exposed to 137 kg of activated carbon, initially free of toluene. the system is allowed to reach equilibrium at constant temperature and pressure. assuming that the air does not adsorb on the carbon, calculate: (a) the equilibrium mole fraction of toluene in the gaseous phase (b)the amount of toluene adsorbed by the carbon. the adsorption equilibrium for this system is given by the freundlich isotherm: w = 0.208(p*)^0.11. in this equation w is the carbon equilibrium adsorptivity, in kg of toluene/kg of carbon, and p* is the equilibrium toluene partial pressure, in pa. (mw of toluene = 92)

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Chemistry, 10.10.2019 05:30, kelcey1972harris

Awaste gas contains 0.4 mol% toluene in air and occupies a volume of 2,190 m3 at 298 k and 148 kpa. in an effort to reduce the toluene content of this gas, it is exposed to 101 kg of activated carbon, initially free of toluene. the system is allowed to reach equilibrium at constant temperature and pressure. assuming that the air does not adsorb on the carbon, calculate (a) the equilibrium mole fraction of toluene in the gaseous phase and (b)the amount of toluene adsorbed by the carbon. the adsorption equilibrium for this system is given by the freundlich isotherm: w = 0.208(p*)^0.11. in this equation w is the carbon equilibrium adsorptivity, in kg of toluene/kg of carbon, and p* is the equilibrium toluene partial pressure, in pa. (mw of toluene = 92)

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Chemistry, 16.10.2019 18:30, Auriieee

Awaste gas contains 0.3 mol% toluene in air and occupies a volume of 2,260 m3 at 298 k and 123 kpa. in an effort to reduce the toluene content of this gas, it is exposed to 91 kg of activated carbon, initially free of toluene. the system is allowed to reach equilibrium at constant temperature and pressure. assuming that the air does not adsorb on the carbon, calculate (a) the equilibrium mole fraction of toluene in the gaseous phase and (b)the amount of toluene adsorbed by the carbon. the adsorption equilibrium for this system is given by the freundlich isotherm: w = 0.208(p*)^0.11. in this equation w is the carbon equilibrium adsorptivity, in kg of toluene/kg of carbon, and p* is the equilibrium toluene partial pressure, in pa. (mw of toluene = 92)

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Engineering, 25.10.2019 20:43, feeandra

Avapor mixture of n-butane (b) and n-hexane (h) contains 50.0 mole% butane at 120 °c and 1 atm. a stream of this mixture flowing at a rate of 150.0 l/s is cooled and compressed, causing some but not all of the vapor to condense. (treat this process as a single-unit operation.) liquid and vapor product streams emerge from the process in equilibrium at t (°c) and 1100 mmhg. the vapor product contains 60.0 mole% butane. determine: a)the required final temperature (t) b)the composition of the liquid product (component mole fractions) c)the molar flow rates of the liquid and vapor products.

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