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…

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter5: Distillation

Section: Chapter Questions

Problem 4Q

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A student determines the molar mass of a liquid unknown by the method used in thisexperiment. She found that the equilibrium temperature of a mixture of ice and water was1.0°C on her thermometer. When she added 12.3 g of her unknown sample to the mixture, thetemperature, after thorough stirring, fell to -4.0°C. She then poured off the solution through ascreen into a beaker. The mass of the solution was 93.4 g. Kf = 1.86°C/m What was the molality of the unknown solution? ______________ m How much unknown liquid was in the decanted solution? ______________ gHow much water was in the decanted solution? ______________ gWhat did she find to be the molar mass of the unknown liquid, assuming she made thecalculation properly?______________ g
The table below shows temperature/composition data collected for a mixture of methylbenzene (M) and octane (O) at 1 atm. Recall that x stands for the mole fraction in the liquid and y stands for the mole fraction in the vapor in equilibrium. The boiling points for methylbenzene (M) and octane (O) are 110.60C and 125.60C, respectively. Construct the phase diagram with Temperature vs. xM. What is the composition of the vapor in equilibrium with the liquid of composition (a) xM = 0.250 and (b) xO = 0.250. T (0C) 110.9 112.0 114.0 115.8 117.3 119.0 121.1 123.0 xM 0.908 0.795 0.615 0.527 0.408 0.300 0.203 0.097 yM 0.923 0.836 0.698 0.624 0.527 0.410 0.297 0.164
Draw and label completely the liquid-vapor phase diagram of the acetone chloroform system given the following data. a) Only one liquid phase existsb) There is an azeotrope at 64.0 mole% chloroform with taze = 64.4 oC.c) Pure acetone and chloroform boil at 56.1 and 61.2 oC respectively.
When 50.0 ml of 2.00 M HCL is mixed with 50.0 ml of 2.00 M NaOH at 24.5 C, the solution temperature increases from 56.8 C . Calculate the (triangle)H rxn in kj/mol HCL. Assume the density of the solution is 1.00g/ml, Ccal = 21.0J/C & Cwater = 4.184Jg*C
Using the Mg-Pb phase diagram below, if you start at point A andcool down very slowly to room temperature (point D), sketch the microstructure associated with each letter, determine what phases are present at each letter, determine the compositions for each phase, and determine the weight in each phase. The Mg-Pb mixture has 20 wt. % Pb in it. You start with 100 kg. A. 700ºC B. 600ºC C. 400ºC D. 25ºC
At 1 atm, a mixture of octane and methylbenzene boils at 135.8 degrees Celsius with a composition of 60% methylbenzene. The boiling points of methylbenzene and octane are 110.6 and 125.6 degrees Celsius, respectively. Draw a boiling point-composition diagram for the octane-methylbenzene mixture system, including all significant labels.
3. Refer to the phase diagram depicted below: When 7 moles of A and 3 moles of B are mixed at 50oC which is then cooled to 10oC the sample turns into two liquid phases, phase I has mole fraction xB=0.14 (see diagram below). Find the phase II mole fraction xB, and then calculate the ratio of amount of substance in phase I to that in phase II using Lever rule. Please enter your answer as a number with two decimals. for example, if the ratio you calculated is 2:3, you enter as 0.67
Refer to the ternary phase diagram in Fig. 5E.4. How many phases are present, and what are their compositions and relative abundances, in a mixture that contains 55.0 g of water, 8.8 g of trichloromethane, and 3.7 g of ethanoic acid? Describe what happens when (i) water, (ii) ethanoic acid is added to the mixture.
please help me with my assignment. kindly please make it brief and concise ? thank you ^^ need it before 2 pm :( Draw the binary mixture diagram of water and ethanol. Illustrate and explain what will happen if 35 vol% of ethanol (molasses ferment) is fractionally distilled. What would be the composition of the fractionally distilled alcohol?
A student determines the molar mass of a liquid unknown by the method used in this experiment. She found that the equilibrum temperature of a mixture of ice and water was 1.0 degrees C on her thermometer. When she added 11.1 g of her unknown sample to the mixture, the temperature, after thorough stirring, fell to -3.0 degrees C. She then poured off the solution through a screen into a beaker. The mass of the solution was 90.4 g. Kf=1.86 degrees C/m 1. What is the freezing point depression? 2. What is the molality of the unknown solution? 3. How much unknown liquid was in the decanted solution?
Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids cation anions Cl- -131.228 I- -51.57 NO3- -108.74 SO4-2 -744.53 Ba+2 -1296.32 W2 -663.9 -796.59 -1362.2 ∆G°f of water = -237.129 kJ/mol Calculated values of ∆G°rxn and the ∆Grxn of each box, Predicted results (ppt or no ppt). Observations (Rxn or No Rxn). S or support and R for Refute Cations Anions Cl- I- NO3- SO4-2 Ba+2(∆G°rxn) Ba+2 (∆Grxn) Ba+2 (ppt or no ppt) Ba+2 (Rxn or No Rxn) NO RXN NO RXN NO RXN RXN Ba+2 (S or support and R for Refute)
Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. A liquid mixture containing 30 mole% isopropanol and 70 mole% water is heated in a closed container to a final temperature of 83°C at atmospheric pressure. What is the composition of each of the phases at the final equilibrium temperature? At this condition, what fraction of the original liquid is vaporized? REFERENCE: T-xy Diagram for Isopropanol-Water Mixture at 1 atm

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