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500675 Chemical and Equilibrium Separation Processes Workshop Two Question 1 Answer the following questions using the T-x-y plot of acetone-ethanol system given on the pages 5-6 and explain your answer, a) Identify and state the region on the T-x-y plot that consists of only liquid phase, vapour phase and the two-phase liquid-vapour mixture (if any), b) Identify and state on the T-x-y plot the bubble line and the dew line. c) At what temperature does pure acetone at 1 atm will boll? d) At what temperature will pure ethanol condense at 1 atm? e) What phase/phases are present if a mixture containing 25 mol% acetone at 1 atm is heated to 65C? liquid What phase/phases are present if a mixture containing 25 mol% acetone at 1 atm is heated to 70C? Ltv g) What phase/phases are present if a mixture containing 25 mol% acetone at 1 atm is heated to 75C? Vapour h) If a mixture containing 30 mol% acetone is heated to boiling at 1 atm, what is the composition of the first vapour that comes off? 1) What are the equilibrium compositions of any phases present at 36 mol% acetone, 66C and 1 atm? Page 1 of 8 1) What are the equilibrium compositions of any phases present at 44 mol% acetone, 66C and 1 atm? k) What are the equilibrium compositions of any phases present at 30 mol% acetone, 66C and 1 atm? 1) What are the equilibrium compositions of any phases present at 52 mol% acetone, 66C and 1 atm? m) If you were plotting y-x (i.e. y vs. x) curve from this equilibrium data, what y value would you plot for x = 0.1? n) What is the dew point temperature of a mixture containing 60 mol% acetone at 1 atm? o) What is the bubble point temperature of a mixture containing 60 mol% acetone at 1 atm? p) is the following statement True or False? Explain your chosen answer. If a mixture containing 10 mol% acetone and 90 mol% ethanol is boiled at 1 atm, all of the acetone boils off because the boiling point of pure acetone is 56.1C, which is below the mixture boiling point?. a) Using the reverse arm rule, determine the temperature at which 75% of the feed is vapourised, if the feed consists of 20 mol% of acetone and 80 mol% ethanol. Page 20