Calculate the freezing and boiling points for 0.45 mol ethylene glycol a d 0.15 mol KBr in 150 gram H2O. Normal boiling point for H2O 100.0 degree Celsius and normal freezing point  0.0 degree Celsius.

Q: What is the theoretical van't Hoff factor for Ca(N03)2?

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Q: Ethanol (C2H6O; P° = 59.02 torr at 25 °C) and acetone (C3H6O; P° = 225.02 torr at 25 °C) are liquids…

A: Given that -  Ethanol as solute (C2H6O; P° = 59.02 torr at 25 °C)  Acetone as solvent (C3H6O; P° =…

Q: a) Are there any intermolecular forces (IMF's) between water molecules and cyclohexane molecules?…

A: “Since there are multiple questions in this question and it is not mentioned that which one has to…

Q: Determine the boiling point of the solution if 15.5g of Al(NO3)3 is dissolved in 672g of water.…

A: Given, mass of Al(NO3)3 = 15.5 g Mass of water solvent = 672 g = 0.672 kg Kb for water = 0.52°C/m…

Q: A solution of methylene chloride (CH2Cl2) and ethanol (CH3CH2OH) that is 25.% methylene chloride by…

A: Calculate the mole fraction of methylene chloride (A) and ethanol (B),

Q: What's the correct van't Hoff factor for: A) Ba(OH)2  B) C6H12 O6 C) K3PO4 D) HNO3

A: van't Hoff factor for all non ionic compound is 1. van't Hoff factor for a  ionic compound is equal…

Q: A solution is prepared by mixing 45 g of methanol (CH3OH) with 60 g of ethanol (CH3CH2OH). Use the…

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Q: Asolution contains 4.08 g of chloroform (CHC3) and 9.29 g of acetone (CH3COCH3). The vapor pressures…

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Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 10.01 grams of zinc…

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Q: Calculate the freezing point and normal boil point of  24 mL of ethanol, C2H5OH ( d= 0.780g/mL), in…

A: In this question, we want to determine the freezing point and boiling point of the Solution.  You…

Q: Why are the boiling points of immiscible mixtures lower than the boiling points of the two…

A: Boiling point is the temperature at which the vapor pressure of liquid become equal to the external…

Q: Calculate the boiling and freezing points of 0.22m glycerol in ethanol.  Normal BP ethanol: 78.4 Kb…

A: Given:Normal boiling point of ethanol (Tbo) = 78.4 ℃ = 351.55 K.Kb of ethanol = 1.22 K Kg/mol.Normal…

Q: A solution is made by mixing 43.0 mL43.0 mL of ethanol, C2H6O,57.0 mL of water. Assuming ideal…

A: A solution is made by mixing 43ml of ethanol & 57mol of H2Owater  vapor pressure of the two…

Q: 2. When benzene freezes at 5.5°C, its density changes from 0.879 g cm3 to 0.891 g cm3. Its enthalpy…

A: Conversion of temperature from ˚C to K: Conversion of atm to Pa: Conversion of m3 to cm3:

Q: If ocean water is consist of 3.5% (m/m) salt, i.e. assuming NaCl (MM = 58.44 g), what would be the…

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Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of…

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Q: A. Arrange the following according to increasing boiling point, freezing point, and vapor pressure:…

A: Since relative lowering in vapor pressure, elevation in boiling point and depression in freezing…

Q: Which of the following liquids has the weakest London dispersion fo attraction between its…

A: The question is based on concept of periodic properties of the elements. We have to identify which…

Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of…

A: Raoult's Law states that vapor pressure of a solution formed by volatile solute and volatile solvent…

Q: How many moles of nickel ll chloride should be added to 600. moles of water to lower its vapor…

A: Given data is as follows: The number of moles of water = 600 mol The vapor pressure of pure water =…

Q: Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.350 kg of water to reduce…

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Q: Calculate the percent by mass of methyl acetate in appointing solution around two significant digits

A: Given that,Boiling point of the solution = 95.7 CMass of methyl acetate = 50%Assume that mass of the…

Q: A solution is prepared by mixing 50 g of methanol (CH3OH) with 50 g of ethanol (CH;CH2OH). Use the…

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Q: Hydrogen chloride (HCl) gas is much more soluble thanpropane gas (C₃H₈) in water, even though HCl…

A: Like dissolves like is a common phrase. It describes that similarities attract. The dissolution of a…

Q: Which will have a greater vapor pressure methyl Amine (CH3NH2) or chloroform (CHCl3)? (briefly…

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Q: A solution of methylene chloride (CH2Cl2) and ethanol (CH3CH2OH) that is 10.% methylene chloride by…

A: The mole fraction of methyl chloride (χM) at 750C is calculated as shown in equation (1) where P0M…

Q: In the determination of molar mass of a volatile liquid which of the following liquids can't be…

A: There are numerous conventional and modern methods are reported in literature  for measurement of…

Q: The freezing point of pure naphthalene is 78.2"C. The freezing which naphthalene is the solvent…

A: d) 54.3 degree celcius

Q: The boiling point of benzene, CH6, is 80.10°C at 1 atmosphere. A nonvolatile, nonelectrolyte that…

A: Boiling Point elevation Tbe = Tb + iKbm

Q: At 20 °C, the vapor pressures of several alcohols are given in this table. Explain these vapor…

A: The temperature at the physical state of the liquids starts changing to a gaseous state is called…

Q: Consider the Navarro, N scale at freezing point and boiling point are 30oN and 330oN,respectively.…

A: The relation of of Navarro scale to Celsius scale is given by (N scale -melting point/(boiling…

Q: A certain substance X condenses at a temperature of 113.6 °C. But if a 300. g sample of X is…

A:

Q: Calculate the mass % of naphthalene(C10H8) in 50.0g of methanol to obtain a vapor pressure of 118…

A: Given: The solute is naphthalene(C10H8) and the solvent is methanol(CH3OH). The pure vapor pressure…

Q: Magnesium chloride is often used to melt ice on sidewalks. Considering that the solubility of…

A: The melting point is calculated as, ΔT = iKf m Kf = 1.86 oC/m i = Vant Hoff factor For MgCl2, i = 3

Q: The vapor pressure of pure H2O depends on which of the following: A) volume B) time C) mass D) temp

A: D) Temp

Q: 8) The freezing point of methane is -295°F and the boiling point is -263°F. The tem re of the…

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

Q: At what temperature (in °C) does ethanol boil if 80.5 g of propylene glycol (molar mass = 76.11…

A: The question is based on the concept of solutions.   Molality is a method of expressing…

Q: Calculate AHfus of ethanol having a normal freezing point at - 177.3 °C and molal freezing- point…

A: Given: Freezing point = -177.3oC Molal freezing point constant = 1.99 K m-1 Molar mass of ethanol =…

Q: Calculate the freezing and boiling point of 0.25m glucose in ethanol. Ethanol normal boiling point…

A: The freezing point depression and boiling point elevation are given by

Q: hat weight of NaCl in 800g acetone is needed to bring the boiling point to 60°C? (Boiling point of…

A: weight of NaCl =? Mass of solvent = 800g = 0.8 kg Boiling point of solution = Tb = 60°C Boiling…

Q: Consider a completely miscible liquid mixture of A (PA° = 150 torr) and B (Pg° = 230 torr) which…

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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: A mixture containing 33.0 g of an unknown liquid and 230.0 g of water has a freezing point of -1.12…

A: The depression in freezing point is given by  depression in freezing point = i X Kf X m where i =…

Q: What is the ΔHfus of ethanol (46.06 g/mol) which has Kb of 1.99 and freezes at -117.3 °C?

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Q: Ethylene glycol has a vapor pressure of 14.9 Torr at 373K and a vapor pressure of 49.1 Torr at 398K.…

A: Given : vapour pressure at 373 K = 14.9 torr and vapour pressure at 398 K = 49.1 torr The…

Q: A solution of pentane and ethanol (CH3CH2OH)  that is 50.% pentane by mass is boiling at 57.2°C. The…

A: A solution of pentane and ethanol (CH3CH2OH) that is 50.0 % pentane by mass is boiling at 57.2°C.…

Q: The boiling point elevation of an aqueous sucrose solution is found to be 0.39°C. What mass of…

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Q: A sucrose (C12H22O11) solution that is 45.0% sucrose by mass has a density of 1.203g/mL at 25°C.…

A: Since you asked a question with multiple sub-parts, we will solve first three sub-parts for you. If…