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Use the T-xy diagram for mixtures of benzene (Menzene = 78.11 kg/kmol) and toluene (Moluene 92.13= kg/kmol) at 1 atm to answer the following questions. 115 110 a) A vapor mixture containing 150 kg of benzene and 350 kg of toluene is initially at 115°C. 105 Vapor 100 i. What is the molar composition (mole fraction of benzene and toluene)? 95 90 Liquid i. If the mixture is cooled at constant pressure of 1atm, what temperature does the first drop of liquid appear? 85 80 i. What is the composition, in mole 75 fraction, of this liquid? 70 b) Another mixture (1 moles) containing 40 mol% benzene and 60 mol% toluene is cooled from 115°C to 100°C. 65 0.2 0.4 0.6 0.8 1.0 Mole fraction benzene P = 1 atm i. What are the compositions (mole fractions) of liquid and vapor phases Temperature (°C)

Use the T-xy diagram for mixtures of benzene (Menzene = 78.11 kg/kmol) and toluene (Moluene 92.13= kg/kmol) at 1 atm to answer the following questions. 115 110 a) A vapor mixture containing 150 kg of benzene and 350 kg of toluene is initially at 115°C. 105 Vapor 100 i. What is the molar composition (mole fraction of benzene and toluene)? 95 90 Liquid i. If the mixture is cooled at constant pressure of 1atm, what temperature does the first drop of liquid appear? 85 80 i. What is the composition, in mole 75 fraction, of this liquid? 70 b) Another mixture (1 moles) containing 40 mol% benzene and 60 mol% toluene is cooled from 115°C to 100°C. 65 0.2 0.4 0.6 0.8 1.0 Mole fraction benzene P = 1 atm i. What are the compositions (mole fractions) of liquid and vapor phases Temperature (°C)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Use the T-xy diagram for mixtures of benzene (Mbenzene = 78.11 kg/kmol) and toluene (Mtoluene 92.13= kg/kmol) at 1 atm to answer the following questions. 115 110 a) A vapor mixture containing 150 kg of benzene and 350 kg of toluene is initially at 115°C. 105 Vapor 100 i. What is the molar composition (mole fraction of benzene and toluene)? 95 90 Liquid If the mixture is cooled at constant ii. pressure of 1atm, what temperature does the first drop of liquid appear? 85 80 ii. What is the composition, in mole 75 fraction, of this liquid? 70 b) Another mixture (1 moles) containing 40 mol% benzene and 60 mol% toluene is cooled from 115°C to 100°C. 65 0.2 0.4 0.6 0.8 1.0 What are the compositions (mole fractions) of liquid and vapor phases at this temperature? Mole fraction benzene P = 1 atm i. ii. What are the amounts of liquid (nL) and vapor phase (nv) in moles? The liquid phase is removed from the vessel (leaving only the vapor phase) and then the temperature is reduced. At what temperature will this mixture be completely condensed? iii. c) For another mixture consisting of 15 moles of 60 mol% benzene and 40 mol% toluene at 90°C, how much benzene (in moles) would need to be added to make the mixture all vapor? Temperature (°C)
Transcribed Image Text:Use the T-xy diagram for mixtures of benzene (Mbenzene = 78.11 kg/kmol) and toluene (Mtoluene 92.13= kg/kmol) at 1 atm to answer the following questions. 115 110 a) A vapor mixture containing 150 kg of benzene and 350 kg of toluene is initially at 115°C. 105 Vapor 100 i. What is the molar composition (mole fraction of benzene and toluene)? 95 90 Liquid If the mixture is cooled at constant ii. pressure of 1atm, what temperature does the first drop of liquid appear? 85 80 ii. What is the composition, in mole 75 fraction, of this liquid? 70 b) Another mixture (1 moles) containing 40 mol% benzene and 60 mol% toluene is cooled from 115°C to 100°C. 65 0.2 0.4 0.6 0.8 1.0 What are the compositions (mole fractions) of liquid and vapor phases at this temperature? Mole fraction benzene P = 1 atm i. ii. What are the amounts of liquid (nL) and vapor phase (nv) in moles? The liquid phase is removed from the vessel (leaving only the vapor phase) and then the temperature is reduced. At what temperature will this mixture be completely condensed? iii. c) For another mixture consisting of 15 moles of 60 mol% benzene and 40 mol% toluene at 90°C, how much benzene (in moles) would need to be added to make the mixture all vapor? Temperature (°C)
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