3. Binary system acetonitrile(1)/nitromethane(2) conforms closely to Raoult's law. Vaporpressures for the pure species are given by the following Antoine equations:In P1sat/kPa=14.2724-2945.47t/°C+224.00In P2sat/kPa=14.2043-2972.64t/°C+209.00Prepare a Pxy diagram for a temperature of 75°C by calculating and plotting the mole fraction ofacetonitrile in the vapor phase y1, and the total pressure, P, for different values of X1 aspresented below:Mol fraction of acetonitrile in theliquid phase, X1Mol fraction of acetonitrile in theliquid phase, yTotal pressure, P(kPa)0.000.100.200.300.400.500.600.700.800.901.00Using your plot, estimate the pressure and liquid composition (X1 and X2) of this mixturewhen the vapor is 60-mol% acetonitrile.Using interpolation, calculate the pressure and X1 with the same given vapor compositionof acetonitrile. Compare your estimation and get the % error.

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Chemistry

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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11. Which of the following is the phase diagram of water-nicotine system? TIK |210 Composton of one PR1 P.2 292 200 P2 Cempn of second pha Liquid P=2 Liquid 273- Liquid P.1 P.1 dz da de Liquid, P= 2 Mole fraction of B, Mole traction of B. B C D E Temperature, T O rdue
At 90°C, the vapour pressure of methylbenzene is 54kPa and that of 1,3-dimethylbenzene is 18.0 kPa. What is the molar fraction of methylbenzene in the gas phase above the mixture containing 1 mol of methylbenzene and 2mol of 1,3-dimethylbenzene at this temperature (assume that these solvents form ideal solutions).
For an ethanol-chloroform mixture at 545 mmHg, determine: a) The Liquid - Vapor equilibrium diagram (1pt) b) Boiling temperature with 20% mass of ethanol (1pt) c) The composition of a mixture that has gone through two distillation stages (1pt)
4G 72% 4:37 = bartleby Q&A Science / Chemistry / Chemic... / 11th Ed... : A student determined the molar m... A A student determined the molar mass of an unknown non-dissociating liquid by the method described in this experiment. She found that the equilibrium temperature of a mixture of ice and pure water was indicated to be +0.4°C on her thermometer. When she added 9.9 g of her sample to the mixture, the temperature, after thorough stirring, fell to -3.7°C. She then poured off the solution through a screen into a beaker. The mass of the solution was 84.2 g. a. What was the freezing point depression? °C b. What was the molality of the unknown liquid? m c. What mass of unknown liquid was in the decanted solution? d. What mass of water was in the decanted solution?
We discussed the temperature-composition phase diagram for a binary system given below. Mole fraction for B at key points are indicated. °C P = 1 Vapour b, 80 P = 2 P= 2 Liquid P = 1 Liquid P= 2 10- Qa, 0.70 XB 0.20 Mole fraction of B, 0.85 0.9 Starting from point a, of the binary mixture, what is the mole fraction of component B in the vapor when the mixture begins boiling? 0.20 0.90 Uncertain, since more information is needed. 0.85 0.70 ООООО Temperature, T
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At 90°C, the vapour pressure of methylbenzene is 54 kPa and that of 1,3-dimethylbenzene is 18.0 kPa. What is the molar fraction of methylbenzene in the gas phase above the mixture containing 1 mol of methylbenzene and 2 mol of 1,3- dimethylbenzene at this temperature (assume that these solvents form ideal solutions).
6. Using phase diagram for the mixtures of benzene and ethylbenzene shown below, estimate: Benzene / Ethybenzene at 1.00 atm By NRTL A) Boiling point of pure ethylbenzene 140- 135- 130- B) Boiling point (Tpp) of solution with molar fraction of benzene 0.3. 125 120- 115 110- C) Composition of vapor phase (molar fractions of both liquids) above the solution with molar fraction of benzene 0.3 at Töp. 105- 100 90 85 80- 75- a1 02 03 04 05 06 0.7 0.8 09 Benzene Mole Fracfioni
Section 9.11 P9.27 G. Ratcliffe and K. Chao [Canadian Journal of Chemi- cal Engineering 47 (1969), 148] obtained the following tabulated results for the variation of the total pressure above a solution of isopropanol (Pj = 1008 Torr) and n-decane (P = 48.3 Torr) as a function of the mole fraction of the n-decane in the solution and vapor phases. Using these data, calculate the activity coefficients for both components using a Raoult's law standard state. I| 2 Р (Torr) X2 Y2 942.6 0.1312 0.0243 909.6 0.2040 0.0300 883.3 0.2714 0.0342 868.4 0.3360 0.0362 830.2 0.4425 0.0411 786.8 0.5578 0.0451 758.7 0.6036 0.0489
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Calculate the solubility of 1,4-dibromobenzene in benzene at 25.000C and at 45.000 assuming that these two compounds form ideal mixtures. The enthalpy of fusion of 1,4-dibromo benzene is 20.39 kJ mol-1 and its melting point is 87.400C. Report the solubility of 1,4-dibromo benzene in benzene as (a) its mole fraction, and (b) grams of 1,4-dibromo benzene in 1000 grams of benzene.
At 90°C, the vapor pressure of pure 1,2-dimethylbenzene (orthoxylene) is 20 kPa and that of pure 1,3-dimethylbenzene (methaxylene) is 18 kPa. What is the composition of the liquid phase that boils at 90°C whose total vapor pressure is 19 kPa? What is the composition of the vapor phase in equilibrium with the solution?

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