A mixture of ethanol (CH.COH, b.p 78.5 C) and methanol (CH OH. bp 64.5 C) obey Raoult's Law closely while a mixture of trichioromethane (CHCH bp 61 8'C) and etner (CH OC H b p. 34.6"C) show a negative deviation. State Raoult's taw a)
Q: 200 mL Ethanol (d= 0.789 g/ml) was used to dissolve a certain 1.000 g of organic compound. The…
A: Volume of solvent (Ethanol) = 200ml Density of ethanol = 0.789g/ml Weight of organic compound =…
Q: NaCI (0.2M) t,°C -3
A: The freezing point of substance is the temperature at which there exists an equilibrium between its…
Q: 0.640g of Hexachlorophene (in soap) is dissolved in 25.0g of chloroform (Kb = 3.63 °C·kg/mol, Tb =…
A:
Q: 200 mL Ethanol (d= 0.789 g/ml) was used to dissolve a certain 1.000 g of organic compound. The…
A:
Q: Kb (°C/m) of water Boiling Point of Water, °C SOLVENT 0.5121 100.0 100.0 g water Mass / Added…
A: The data given is,
Q: In 100 g of pure benzene whose freezing and boiling temperatures are 5.5 100C and 80.1 C…
A:
Q: 1 0.0613 kg of biphenyl (C H. ) is dissolve in benzene (C H.) to create a solution with 12 10 a…
A: Given: mass of biphenyl = 0.0613 kg = 61.3 g Volume of benzene = 350.0 mL molar mass of biphenyl =…
Q: 17. Compute for the boiling point elevation of the solution. * OA. 100.08 °C OB. 103.25 °C C. 100.81…
A:
Q: Which compound(s) have their : Equivalent number = Van't Hoff factor (i) a. AgCl → Ag+ +…
A: The Van 't Hoff factor (i) is a measure of the effect of a solute on colligative properties. The Van…
Q: 3. The partial molar volumes of propanone (acetone) and trichloromethane (chloroform) in a mixture…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: What is Henry’s law, and when is it most likely to be valid?
A: ANSWERE IS DISCUSSED BELOW :
Q: 0.0717 kg of biphenyl (C₁₂H₁₀) is dissolve in benzene (C₆H₆) to create a solution with a total…
A: Given: Mass of biphenyl = 0.0717 Kg = 71.7 g (Since 1 Kg =…
Q: Pure benezene boils at 80.1 C and has a Kb of 2.53 C/m. If 120.0 g of iron sulfide are dissolved in…
A:
Q: If 11.2 g of sugar (MM = 342 g/mol) is dissolved in 500 g of water at 30°C, a. what is the vapor…
A: Since you have posted a question with multiple sub-parts,we will solve first three sub-parts for…
Q: A mixture of ethylene glycol (C2H6O2) and water is used as an antifreeze in cars. However, it is not…
A:
Q: 4.72 grams of an involatile nonelectrolyte with chemical formula C7H6O2 is dissolved in 35.5 grams…
A: The elevation in boiling point is expressed as :
Q: Which of the following pairs of liquids probably exhibits positive deviations from Raoult’s law when…
A: Positive deviation from Raoult’s law occurs when two binary solutions are mixed together and if the…
Q: 1. What is the mole fraction of 40% phenol(C6H6O) in benzene (C6H6)? 2. In a solution of naphthalene…
A: Answer: Mole fraction of a substance is the ratio of moles of that substance and total number of…
Q: latasha was trying to identify 452.1 g of an unknown lectrolyte sample. Given the limited…
A: Mass of solute = 452.1 g Volume of water = 500 mL Mass of water = 500 g Kb = 0.512 oC/m Kf = 1.86…
Q: Given the data below, for which of the following 0.02 m solutions would you expect the lowest…
A:
Q: alculáté the freezing point(a). and boiling point (b). of a solution ntaining 4.27 g sucrose…
A: Mass of sucrose = 4.27 g Mass of water = 50 g Molar mass of sucrose = 342.30 g/mol Number of moles…
Q: 3. Determine the molecular weight of the unknown from the following data collected from a freezing…
A: Freezing Point of p-xylene = 12.1oC = Tx Freezing Point of p-xylene + unknown = Ts = 9.6oC…
Q: A solution of toluene (C-Hs) in 236 g of cyclohexane (C6H12) has a boiling point of 90.30 °C. What…
A: Given: Cyclohexanemass=236gBoiling point = 90.30 CoKb= 2.92 C0/mTb=80.90 CO Here we apply the…
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: 170.50 ml of 1.23 M organic salt was mixed with 236.23 ml of Ethanol (d= 0.789 g/mL, MW…
A: Given, Volume of the organic salt (solute) = 170.50 mL Molarity of organic salt = 1.23 M Volume…
Q: 0.0455 kg of biphenyl (C12H10) is dissolve in benzene (CH6) to create a solution with a total volume…
A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: Determine the boiling point elevation of a solution of 130.0 mg of carvone (a.k.a. oil of spearmint,…
A: Given: The mass of carvone = 130.0 mg The mass of carbon disulfide = 1.42 g The value of Kb =…
Q: Eugenol is the active ingredient in the oil of cloves used to relieve toothache. Calculate the…
A: This problem is based on the concept of Elevation in Boiling Point.
Q: The partial molar volumes of two liquids A and B in a mixture are 245.6 cm3.mol-1 and 194.2…
A: So we will calculate the volume of the solution.
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: Determine the boiling point elevation of a solution of 110.0 mg of carvone (a.k.a. oil of spearmint,…
A: Given: The mass of carvone = 110.0 mg The mass of carbon disulfide = 1.40 g The molar mass 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: Isopropanol ((CH3)2CHOH), hexane (C6H14), and 10 % sucrose solution are liquids at 25 oC.…
A: The solubility of a compound depends on the nature of the solute and the solvent. If the nature of…
Q: Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene (MW=…
A: Given,Boiling point of pure chloroform = 61.700C.Boiling point of solution = 62.600C.Kb =…
Q: Find total molality of all separate solute c.p’s in 0.5 molal: HCl __ NH ___ BaCl Al2(SO4)3…
A:
Q: 30. Vapor pressure is a property of the solvent O A.physical B.chemical O c.dynamic D.kinetic 27.…
A: ∆Tb = i × m × Kb ∆Tb = boiling point elevation i = vant Hoff factor For Sucrose, i = 1 ( as…
Q: Cooling curve of pure naphthalene Cooling graph of naphthalene and sulfur mixture 100 90 70 60…
A: Whenever a non-volatile solute is added/dissolved in a volatile solvent, then the freezing point of…
Q: If the boiling point of pure benzene is 80.1 °C, then what would be the boiling point of this…
A:
Q: Match the units to the setup below for calculation of the change in vapor pressure (delta VP) of a…
A: The species mole fraction may be described as the mathematical ratio relationship between the…
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: 1. What is the boiling point of 2.05 molal acetone solution (CH.O)? (Boiling of Acetone = 56.2 °C,…
A:
Q: Ethylene glycol (C2H6O2) is used in many anti-freeze mixtures. How many grams of Ethylene glycol…
A: This question is based on colligative properties of solutions. Colligative properties of solutions…
Q: A solution contains 3.75 g of a nonvolatile pure hydrocarbon in 95 g acetone. The boiling points of…
A: The question deals with the concept of solutions. elevation in boiling point is a colligative…
Q: The solubility of methane, the chief component of natural gas, in water at 20.0 °C and 1.0 atm…
A: Given: Solubility of methane in water at 20 oC and 1 atm = 0.025 g/L. And to find the solubility at…
Q: A solution of acetone and 2-proanol was found to boil at 76°C (760 Torr). Which component is in…
A:
Q: A solution of toluene (C₇H₈) in 301 g of cyclohexane (C₆H₁₂) has a boiling point of 90.30 °C. How…
A: Introduction: The elevation of the boiling point is directly proportional to the molal…
Q: 5% glucose solution (M(C,H1206) = 180 g/mol) is used to replenish fluid in the body and as a source…
A: Given that the mass fraction of glucose is 5% and the density of the solution is 1.02 g/mL. To…
Q: How many moles of toluene are in the solution?
A: Given: Mass of cyclohexane(solvent) = 401g Boiling point of solution(Tb)= 90.30°C The boiling point…
Q: Which of the following pairs of liquids, on mixing will form a solution that will deviate positively…
A: Interpretation - To tell about in which of the following pairs of liquid on mixing will form a…
Q: "hat are the boiling and freezing points of a solution in which 31.66 g of naphthalene (C10H8) has…
A: What are the boiling and freezing points of a solution in which 31.66 g of naphthalene has been…
Step by step
Solved in 3 steps
- 20 g of compound A (Mwt=46), with vapor pressure 420 mmHg at 60°C, mixed with 15g of compound B (Mwt318), with vapor pressure 380 mmHg at 60°C to form a heterogeneous solution. What is the vapor pressure of mixture at 60°C? * O 409.04mmHg O 380mmHg O 800mmHg O 500mmHgpose 5.056 grams of an unknown solute are dissolved in 50.0 ams of phenol (C6H50H). The resulting solution boils at 185.0 °C. hat is the molecular weight of the unknown solute? The boiling int of pure phenol is 182 °C, and its boiling point constant Kb= 56 °C/molal.Boiling point of pure water at p = 1atm is 100.00 oC. What is boiling point of the solution obtained by addition of 30g of fructose(m.w. = 180 g mol-1) to 20 mL of water?
- = 5.742 xlo XH2 Q: The solubility to Henrys law 01s , of hydrogen in water is expressed according 6.8x10 XH2 XH2 is the mole fraction of Ha in the liguid phase and P 7s the at 20°C, where P'artial pressure of Hz (atm).Jf the tolal pressure is 900 mm Show that the Henry's law Can be written as Hg, y, ,where Yu. is the mele H2 fraction of Hz in the gas phase. ilın temocnureIt has been observed experimentally that the AHpolution for methanol as solvent and dimethylsulfoxide (DMSO) as solute is negative. The structures of these compounds are given below. H. H A H3C "CH3 DMSO (dimethylsulfoxide) Methanol Please answer these questions in order to explain this fact: What IMFS are there between methanol molecules and other methanol molecules? Draw a diagram. What IMFS are there between DMSO molecules and other DMSO molecules? What IMFS are there between methanol molecules and DMSO molecules? Draw a diagram. If AHsolution for dissolving DMSO in methanol is negative, what does this say about the energy released in mixing methanol and DMSO molecules (AHmixing) as compared to the energy required in separating solute molecules from each other (AHsolute) and separating solvent molecules from each other (AHsolvent)? 2617. Match the following and choose the correct option. Column I Column II A. Molarity (M) Temperature р. B. Molality (m) q. Dilution C. Mole fraction (x) Volume г. D. Normality (N) Codes A C D (a) p, q, r q, r r 4, P (6) p, q, r q (c) 9, т (d) р, q р, 9, г р, т q, r p, q
- i app.101edu.co Question 6 of 20 Submit A solution is made from 220.0 g sucrose (C12H»O11, MM = 342.3 g/mol) dissolved to a total volume of 551 mL of water at a temperature atm of 52.0 °C. Calculate the osmotic pressure of solution.R= 0.08206 L·atm/K-mol 1 3 4 9. +/- x 100 Showal Question 8pg 27207792011jpg -Question 15jpg 656 PM 77F Mostly coudy a 2/12/202 O Type here to search(D) A sample of gas at 1.08 atm and 25°C has a SO₂ concentration of 1.55 µg/m³ and is in equilibrium with water. The Henry's Law constant for SO2 in water is 2.00 M atm¹ at 25°C. Ideal gas volume = 22.4 dm³ at 1 atm pressure and 0°C. i) Calculate the SO₂ concentration in the sample in ppm. ii) Calculate the SO2 concentration in water at 25°C. (Calculate the vapor pressure of water over a solution made by dissolving 225.0 g of glucose (C6H12O6) in 575 g water at 35°C. (At 35°C 42.2mmHg) P⁰ water ▸ Files ▬ a r D F7 I F8 FQ prt sc F10 home Bun F11 end F12 insert delete
- A test tube contains 2.63x10-4 m3 of liquid carbon tetrachloride (β = 1240x10-6 (C°)-1) at a temperature of 80.0°C. The test tube and the carbon tetrachloride are cooled to a temperature of -10.0°C, which is above the freezing point of carbon tetrachloride. Find the volume of carbon tetrachloride in the test tube at -10.0°C.Henry's constant for the solubility of ethylene gas in H2O at 20 degrees C is 10.1 x 10-5 atm-1 Calculate the mass of ethylene gas that wceill dissolve in 1000 g of H2O under an ethylene- pressure of 2 atm at 20 degrees C. Given: Methylene = 28 g mol-1 and M(H2O) = 18 g mol-1Consider the solution process below. Select the true statement. AH1 AH, AH Expanded solvent Expanded solute Solute Solvent Step 1 Step 2 AH3 Direct formation of solution Step 3 AH3 is endothermic. O Enthalpy of solutions, AHsolution = AH1 + AH2 + AH3 %3D The greater the intermolecular force between solute molecules, the more exothermic AH, is. O AHsolution is always positive.