Why do mixtures of acetone and chloroform exhibit significant negative deviations from Raoults law. For example, an equimolar mixture of acetone and chloroform has a lower vapor pressure than either of the pure liquids

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A: True statement :   III

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A: Given that  Naphthalene has melting point =80.2oC. Vapour pressure of the liquid is 1.3 kpa at…

Q: A. Freezing Point of Cyclohexane (Solvent) 1. Mass of beaker, test tube (g) 85.364g 2. Freezing…

A: 1. Mass of beaker + test tube = 85.364 g2. Freezing point from cooling curve = 5.68°C1. Mass of…

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A: Processes in which net energy is released are called exothermic while the processes in which energy…

Q: The common laboratory solvent diethyl ether (ether) is often used to purify substances dissolved in…

A: Data given: The vapor pressure of diethyl ether, Po = 463.57 mm Hg Mass of the new compound, w =…

Q: If a solution shows a negative deviation from Raoult’s law, would you expect it to have a higher or…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: prepared by mixing 45.68 g of carbon disulfide (CS2, 76.13 g/mol) with 16.42 g of acetonitrile…

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Q: A mixture of immiscible liquids (both water-insoluble) is subjected to steam distillation. At 90°C,…

A: Dalton's law of partial pressure: It states that the total partial pressure of the mixture is equal…

Q: 50 g acetone (CH;COCH3) and 50 g methanol (CH3OH) are mixed to obtain a 100 g liquid solution at…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Fupdamentals of Chemistry Sem 1118-191 9. A solution is prepared by mixing 7.5 grams of methanol…

A: Mass of methanol = 7.5 g Density of methanol = 0.791 g/ml Mass of water = 230 g Density of water = 1…

Q: Liquid A has vapor pressure x and liquid B has vapor pressure y. What is the mole fraction of the…

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Q: What is Henry’s law, and when is it most likely to be valid?

A: ANSWERE IS DISCUSSED BELOW :

Q: From the following list of aqueous solutions and water, select the one with the highest boiling…

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Q: Ethylene glycol is used as an antifreeze to lower the freezing point of water in automotive engines…

A: An additive that lowers the freezing point of a water-based liquid is known as antifreeze. Normally…

Q: What are the van't Hoff factors of sucrose and CaCl, ? O 1 for sucrose and 3 for CaCl O 1 for…

A: Determine van't hoff factor in CaCl2 and sucrose?

Q: The lattice enthalpy of sodium chloride, AH° for NaCl(s) → Na* (9) + Cl¯(g) is 787 kJ/mol; the heat…

A: The lattice enthalpy of NaCl is given as 787kJ/mol. Heat of aqueous NaCl solution is +4.0kJ/mol. The…

Q: Comment on whether the following statements is true or false and briefly explain the answer    a.…

A: (a) Raoult's law states that the vapor pressure of an ideal solution is directly proportional to the…

Q: Yeasts are able to produce high internal concentrations of glycerol to counteract the osmotic…

A: Given that : Density of solution at 25 °C = 1.02 g/mL MW of solute = 58.44 g/mol i of glycerol = 1 R…

Q: In this problem, you have the same binary mixture of benzene and toluene that was prepared in…

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Q: Use the chart below as needěd. SOLVENT BOILING POINT Kb FREEZING POINT Kf Water 100.00 °C 0.52 °C/m…

A: Record the given data, P° = 31.6 torr pure m = 22.4 g of x m = 50 g of water dP°mix = 2.5 torr

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Q: Practile Problers Table H Vapor Pressure of Four Liquids 200. propanone ethanol 150. water ethanoic_…

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Q: The normal boiling point of a certain liquid X is 144,50 °C, but when 46. g of iron(III) chloride…

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Q: 180.37 mL of 1.10 M organic salt was mixed with 185.23 mL of Ethanol (d= 0.789 g/mL, MW…

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Q: Which of the following pairs of liquids, on mixing will form a solution that will deviate positively…

A: (1) Nitric acid and water - When Nitric acid and water mixed together they form a solution shows…

Q: why does the van’t Hoff Factor deviate from what we would predict it to be?

A: Van't Hoff factor  This factor is named after the Dutch physical chemist Jacobus Henricus Van’t…

Q: The normal boiling point of a certain liquid X is 94.4 °C, but when 43.17 g of urea ((NH, CO are…

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Q: What is the van't hoff factor of barium chloride?

A: The Van’t Hoff factor is used in the calculation of osmotic pressure, elevation of boiling point,…

Q: 5 .  If 40.2g NaCl are mixed into water and the total mass is 389g, what is the CHANGE in boiling if…

A: We have to calculate the change in boiling point , we have 40.2 g NaCl and 389 g of solution , Kb as…

Q: The common laboratory solvent diethyl ether (ether) is often used to purify substances dissolved in…

A: When we mix non electrolyte solute in the pure solvent then vapour pressure of solution will…

Q: 1. A student determines the molar mass of acetone, CH.COHS, by the method used in this experiment.…

A: Mass of acetone = 10.5 gMass of solution = 86.4 g

Q: Which of the following statements regarding the dilute solid-liquid solution is NOT correct? Suppose…

A: Given: n2= number of moles of solutem = masss of solutionV= volume of solution

Q: Some miscible liquids show negative deviation from Raoult's Law and others positive deviations.…

A: statement of Raoults  law : Raoult's law states that "the vapor pressure of  a solution is equal to…

Q: For a liquid mixture that shows positive deviation from Raoult's Law A The components should be…

A: Raoult's states that "If both components of liquid are volatile,the partial vapor pressure of each…

Q: Complete the table and arrange the following aqueous solutions in orderr of increasing boiling…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: At 25.0 °C, the vapor pressure of pure carbon tetrachloride (CCl4) is 143. torr and the vapor…

A: a) Yes, the vapor pressure of a pure solvent will differ from the vapor pressure of the solution of…

Q: Elaborate the difference between Dalton's and Raoult's Law

A: We have daltons law and Raoults law, Raoult law deals with the vapour pressure of solids or liquids,…

Q: There is a mixture of two liquids - chloroform and acetone. The vapor pressure of chloroform at 25…

A: According to Raoult law; the vapor pressure of a solvent in mixture is equals to the vapor pressure…

Q: what is the effect of temperature on the solubility of solid in liquid?

A: In the present case:  Solute - Solid substance Solvent - Liquid substance.  Solute is mixed into…

Q: Find total molality of all separate solute c.p’s in 0.5 molal: HCl __ NH ___ BaCl Al2(SO4)3…

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Q: State raoult's law for a non volatile solute in single volatile solvent?

A: The vapour pressure of a solution of a non-volatile solute is equal to the vapour pressure of the…

Q: The freezing point of water is 0.0°C. What is the freezing point of a solution of 10.0 g of calcium…

A: Depression in freezing point (∆Tf) = i x molality x Kf where, i = Van't Hoff factor Kf = cryoscopic…

Q: yeasts are able to produce high internal concentrations of glycerol to counteract the osmotic…

A: Given, Temperature = 25 C Density of solution = 1.02 g / mL Molecular weight of solute = 58.44 g /…

Q: Calculate the boiling point of a 0.050 molal solution of a Nonvolatile compound that doesn't…

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Q: For each of the following substances, determine the ideal van't Hoff factor when dissolved in water.…

A: Van't Hoff factor is basically the number of ions produced by the 1 formula unit of electrolyte salt…

Q: 5% glucose solution (M(C,H1206) = 180 g/mol) is used to replenish fluid in the body and as a source…

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Q: Imagine a solution of two liquids in which the molecules interact less favorably than they do in the…

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