3 PHASE DIAGRAMS.Sketch the temperature-composition (“T-x") phase diagram for acetone, (CH3)2 CO), and chlo-roform, CHCl3, mixtures based on the following data-⚫ Boiling point(Bp) of pure acetone: 56.2°C•••Bp of pure chloroform: 61.2°CBp of the acetone-chloroform azeotrope: 64.7°CComposition of the azeotrope, by weight: 21% acetone, 79% chloroformAtomic weights (in g mol¯¹): H: 1.010, C: 12.01, O: 16.00, Cl: 35.45Plot the mole fraction of acetone, CHCl 3 on the x-axisOn your sketch of the phase diagram determine the composition of the vapour phase and theliquid phase for a system at 61.2°C having an overall acetone mole fraction of ZA = 0.80.

To sketch the temperature-composition (T-x) phase diagram for the acetone-chloroform mixture, we…

Answered: 3 PHASE DIAGRAMS. Sketch the…

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

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1. Consider the temperature-composition diagram shown below for benzene (bp = 80°C) and toluene (bp = 110°C). For a 80/20 mixture of toluene to benzene answer the following: Temperature (°C) 110 8 95 90 3 80 1 T 1 1 0.2 0.4 0.6 Mole Fraction of Toluene a) At what temperature will the mixture begin to boil (use just approximate values)? b) When the mixture begins to boil, what is the mol % benzene in the vapor? c) What is the boiling point of the liquid formed by condensation of the vapor? 1 0.8 110 100 95 90 85 80
Use the following information to calculate the enthalpies of solution (AsolH) of the unknown compounds RX, MX and QX Compound AH (kJ/mol) MX RX QX -2833 -2474 -2644 Enthalpy of solution MX = Enthalpy of solution RX = (2 ++ Enthalpy of solution QX = - + AnydH (kJ/mol) cation -1923 -1364 -1650 94 106 10 anion -1004 -1004 -1004 kJ/mol *Only write a number in the space provided. kJ/mol kJ/mol Time left 8:18:43
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)
Any of the types of distillation we use to separate a medicinal substance dissolved in a mixture of solvents consisting of Diethylether, Dichloromethane and Dimethylsulfoxide, knowing that the substance loses its medicinal effectiveness when exposed to a temperature higher than 15OC.
Henry s law is important in environmental chemistry, where it predicts the distribution of pollutants between water and the atmosphere. The hydrocarbon methylacetylene (C3H4) emitted in wastewater streams, for example, can pass into the air, where it is degraded by processes induced by light from the sun. The Henry s law constant for methylacetylene in water at 25 °C is 601 atm, when the following form of the law is used: = k methylacetylene Calculate the partial pressure of methylacetylene vapor in equilibrium with a solution of 1.47 g of methylacetylene per 1060 L of water. How many methylacetylene molecules are present in each cubic centimeter of vapor? P methylacetylene methylacetylene methylacetylene X = atm molecules per cubic centimeter
şvurular Posta Gönderileri Place a piece of copper in 0 Word ik: Her şey hazır 19° Gözden Geçir Görünüm Yardım When 50 g of phenol is mixed with 50 g of water at 20°C, two phases are formed. from phases one contains 8% phenol by mass and the other contains 72% phenol. The mass of each phase and this Find the masses of the components in the phases. Ne yapmak istediğinizi söyleyin (Ctrl)
The solubility of Cr(NO3)3⋅9H2OCr(NO3)3⋅9H2O in water is 208 gg per 100 gg of water at 15 ∘C∘C. A solution of Cr(NO3)3⋅9H2OCr(NO3)3⋅9H2O in water at 35 ∘C∘C is formed by dissolving 321 gg in 100 gg water. When this solution is slowly cooled to 15 ∘C∘C, no precipitate forms. At equilibrium, what mass of crystals do you expect to form?
When benzene freezes at 5.5°C its density changes from 0.879 g cm−3 to 0.891 g cm−3. Its enthalpy of fusion is 10.59 kJ mol−1. Estimate the freezing point of benzene at 1000 atm. Answer= ???. ??
Suppose the change in temperature solution is -9.84°C (ΔTf=9.84°C ). The unknown solute consists of 0.404g. The mass of the solvent 14.65g of t-Butanol. What is the molar mass of the solute. Assume the solute is organic kfbutanol=9.1°C *kg/mol
Water and acetonitrile, CH3CN, are miscible (can be mixed in any proportions). However, when water and acetonitrile are mixed, the volumes are not additive (the total volume of the resulting solution is not equal to the sum of the pure liquid volumes). For example, when 100.0 mL of water and 100.0 mL of CH3CN(I), are mixed at 20 °C, the total volume of the solution is 192.0mL, not 200.0 mL. a. Provide an explanation for this phenomenon. b. Calculate the molarity, molality and mol fraction of CH3CN in a solution prepared by mixing 100.0 mL of water and 100.0 mL of CH3CN(1) at 20 °C. The total volume of the mixture is 192.0 mL and the densities of water and acetonitrile are 0.998 g/mL and 0.782 g/mL, respectively, at this temperature. c. When 70.0 g H2O and 190.0 g CH3CN(1) are mixed, to resulting solution has a density of 0.860 g/mL at 20 °C. Calculate the volumes of the pure liquid samples and the solution, and show that the pure liquid volumes are not additive.
In a constant-pressure calorimetry experiment, Jiwon and Jisun dissolved 10.0 g of CaCl2 (MM = 110.98 g mol-1) in 250.0 g of water initially at 20.00°C. As the solid dissolves in water, the temperature rises to 26.73°C. Calculate the enthalpy of dissolution (ΔHdissolution) of CaCl2 in kJ mol-1. Assume that the calorimeter absorbed a negligible amount of heat.
50.0 mL of 0.400 M NaOH (ag) was added to 20.0 mL of 0.500 M H2SO4 (ag) in a calorimeter of heat capacity 39.0 J/K. The temperature of the resulting solution rose by 3.60 K. Find AH° in kJ/mol for the neutralization of H2SO4 (ag) with NaOH (ag). Specific heat of aqueous mixture = 4.184 J/g.K. Density of mixture = 1.030 g/mL C

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