Compound methanol ethanol propanol C3H;OH butanol CH3OH C2H5OH C4H9OH Vapor Pressure at 20 °C 11.9 kPa 5.95 kPa 2.67 kPa 0.56 kPa

Q: The standard enthalpy of vaporization (H°vap) of ethylenediamine ((NH2CH2)2) is 44.0 kJ/mol. The…

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Q: Calculate the solubility of nitrogen in water at an atmospheric pressure of 0.390 atm (a typical…

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Q: The vapor pressure of 0.388 g of a pure substance is 0.631 atm at 20degree celcius (the molar mass…

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Q: What are the variables in a van’t Hoff plot?     K vs T     K vs 1/T     ln K vs 1/T     ln…

A: To explain: The variables in a van't Hoff plot.

Q: explain in detail about the normality of Nacl

A: Given that, equal volume (1:1) of 0.1 N of CH3COONa and 0.2 N of HCl solution are mixed. We have to…

Q: An unknown compound has a vapor pressure of 0.060 atm at 21 °C. Calculate the value of Kc at 21 °C.

A: Answer:At any temperature, vapor that is present in equilibrium with the liquid form of a substance…

Q: The vapor pressure of benzene, C6H6, is 73.03 mmHg at 25.0 °C. How many grams of testosterone…

A: In this question, we want to calculate the mass of the testosterone in grams. How we can calculate,…

Q: 2.) Determine the freezing point of benzene (78.11 g/mol) at 100 atm if the normal freezing point is…

A: Given,Normal freezing point of benzene = 5.5 °CEnthalpy of fusion for benzene =9.937 KJ/molDensity…

Q: The following table provides some information on carbon dioxide solubility in water. S P k (mol/L)…

A: we have given some information on carbon dioxide solubility in water and we have to find the empty…

Q: If the partial pressure of O2 is 38.mmHg , the mass of O2(in mg) that can dissolve in 1.00L water at…

A: Given: Pressure = 38 mm Hg Convert mm Hg into atm as follows. Volume = 1.00 L Temperature = 25…

Q: The standard enthalpy of vaporization (H°vap) of ethylenediamine ((NH2CH2)2) is 44.0 kJ/mol. The…

A: Given: Heat of vaporization of ethylenediamine = 44.0 KJ/mol = 44000 J/mol…

Q: Calculate the vapor pressure of a mixture containing 35.6 g of glucose and 5 mL of ethanol at 25°C.

A: Given -> Weight of glucose = 35.6 gm Volume = 5 ml = 0.005 L  ( 1L = 1000ml) T = 25°C = 25 + 273…

Q: Why is it not advisable to freeze a sealed glass bottle that is completely filled with water? Use…

A: Substances generally expands on heating and contract on cooling. As a result, on heating its density…

Q: The normal boiling point of cyclopentane is 49.20 °C. At 31.00 °C, the vapour pressure of…

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Q: 20. Which compound is expected to be the most soluble in water at 25 °C? (A) N₂(g) (C) (C₂H₂)₂NH(1)…

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Q: 3. Calculate the vapor pressure of benzene at 50°C using the Antoine Equation. A=15.9,B=2788.5,…

A: Hello dear,   Vapour pressure of benzene is 1.13

Q: Calculate the boiling point of 324g sodium phosphide in 5436g water.

A: The rise in boiling point noticed on adding subsequent amount of impurities (solute) is categorized…

Q: At 740 torr and 20.0 ° C, nitrogen has a solubility in water of 0.018 g L-1. At 620 torr and 20.0°C,…

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Q: A 1 L solution is prepared by dissolving 200.0 g sucrose (C12H22O11; m.w. = 342.2965 g mol–1) in…

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Q: A 276 mL aqueous solution containing 0.400 g of an unknown polymer has an osmotic pressure of 26.9…

A: The osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = number of…

Q: The vapor pressures of pure ethyl alcohol and pure isopropyl alcohol are 60.8 mmHg and 45.2 mmHg at…

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Q: A certain substance X condenses at a temperature of 114.3 °C. But if a 250. g sample of X is…

A: mass of urea((NH2)2CO) = 12.12 gmolar mass of urea = 60.06 g/molT(solvent) = 114.3oCT(solution) =…

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: A chemistry student is given 550. mL of a clear aqueous solution at 37.° C. He is told an unknown…

A: Answer:Solubility refers to the ability of a substance (solute) to dissolve in a solvent (usually a…

Q: please help on this problem

A: Mole fraction is the ratio of number of moles of a substance and total number of moles in the…

Q: The normal boiling point of a certain liquid X is 104.30 °C, but when 102. g of iron(III) nitrate…

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Q: Liquids that readily evaporate are classified as volatile liquids. Such liquids have measurable…

A: It has been mentioned that volatile liquids are those which are evaporated very easily. Their vapor…

Q: A student was instructed to determine the molecular weight of an unknown white powder. He remembered…

A: The student may proceed through property of solution that is colligative property.and it can be used…

Q: Suppose that a solution made from an unknown solute dissolved in solvent X. Its molality is 0.0125…

A: Answer

Q: A soln is made of 2 volatile components: toluene and benzene. At 60 degrees Celsius, the vapor…

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Q: Does methanol (CH3OH) have a molal freezing point depression (Kf)? If not, why

A: No methanol has no any molal freezing point depression constant.

Q: A solution of ethanol (CH,CH,0H) and water that is 90.% ethanol by mass is boiling at 81.9 °C. The…

A: Given that: % mass of ethanol = 90 % To calculate the % by mass of ethanol in the new solution?…

Q: The freezing point of ethanol, CH3CH2OH, is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

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Q: ▾ Part A T What is the value of A-G for the reaction MC1₂-6 H₂O(s) = MC1₂ (s) + 6 H₂O(g) when the…

A: The value of Gibbs free energy of the reaction is to be determined.Standard temperature = 298…

Q: In his experiment, Jireh wanted to determine the molar mass of his unknown sample. Based on his…

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Q: The freezing point of ethanol, CH,CH,OH, is -117.30°C at 1 atmosphere. A nonvolatile, nonelectrolyte…

A: If we add any solute in any solvent, then there are certain changes in the colligative properties of…

Q: The normal boiling point of a certain liquid X is 120.30 °C, but when 10. g of iron (III) chloride…

A: Answer:Properties of a solution depend upon the number of solute particles present in the solution…