mol % cyclohexane 100 90 80 70 60 50 40 30 20 10 0 115 115 110 110 105 105 100 100 95 95 90 90 85 85 80 80 75 20 50 80 90 75 100 10 30 40 60 70 Molar % of toluene temperature ('C) temperature ('C)
mol % cyclohexane 100 90 80 70 60 50 40 30 20 10 0 115 115 110 110 105 105 100 100 95 95 90 90 85 85 80 80 75 20 50 80 90 75 100 10 30 40 60 70 Molar % of toluene temperature ('C) temperature ('C)
Chapter10: Energy
Section: Chapter Questions
Problem 42A
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Question
Using the phase diagram for mixtures of cyclohexane and toluene, estimate:
A) Boiling point of pure toluene _________
B) Boiling point (Tbp) of solution with molar fraction of toluene 30%.______
C) Molar fraction of toluene (in %) in the gas phase above the solution with molar fraction of toluene 30% at its boiling point Tbp. ____________
D) Approximate molar fraction of solvent which remains in the liquid phase upon heating of mixture with 60% of toluene to 100oC. _______________
Transcribed Image Text:mol % cyclohexane
100 90 80 70
60 50 40 30
20 10 0
115
115
110
110
105
105
100
100
95
95
90
90
85
85
80
80
75
20
50
80 90
75
100
10
30
40
60 70
Molar % of toluene
temperature ('C)
temperature ('C)
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