Vapor Pressure of Aqueous Solutions of Ethylene Glycol

Ethylene glycol CAS#: 107

Ethylene oxide and water under pressure (2 23MPa) and 190-200 ℃ conditions and can directly have liquid-phase hydration reaction in a tubular reactor to generate ethylene glycol while being with byproducts diethylene glycol tripropylene ethylene gl]ycol and multi-uret poly ethylene glycol

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a b c d

Calculate the vapor pressure at 25 C of a solution containing 55 3 g ethylene glycol (HOCH 2 CH 2 CH 2 OH) and 285 2 g water The vapor pressure of pure water at 25 C is 23 8 torr For Practice 12 6 A solution containing ethylene glycol and water has a vapor pressure of 7 88 torr at 10 C Pure water has a vapor pressure of 9 21 torr at 10

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Chemistry 11 Solutions Homework 2 4N2

Solutions Homework 2 Name: in 275 g water Calculate the vapor pressures of this solution at 25C and 45C The vapor pressure of water is 23 8 torr at 25C and 71 9 torr at 45C (2) A solution is made by mixing 50 0 g of acetone of ethylene glycol (HOCH 2CH 2OH) in water Ethylene glycol is a nonelectrolyte (6)

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vapor 4 and the third with Cellosolve (ethylene glycol

dealt with ethylene dichloride vapors 3 the second with ethyl benzene vapor 4 and the third with Cellosolve (ethylene glycol monoethyl ether') ' The investigation was undertaken at the request of the Carbide Carbon Chemicals Corporation and was conducted jointly with the United States Bureau of Mines at its experiment station at Pitts-burgh

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Water Vapor Pressure Calculator

Water Vapor Pressure Equations Formulas Calculator Science Physics Chemistry Thermodynamics Boiling Point To view this page ensure that Adobe Flash Player version 10 2 0 or greater is installed Description: This calculator uses the Antoine equation to solve for the vapor pressure of water given a temperature In addition

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Chapter 16

of aqueous solutions plays an important role in helping keep travelers safe in cold icy system is a solution of water and ethylene glycol or antifreeze • The antifreeze doesn't just Colligative properties of solutions include vapor-pressure lowering freezing-point depression and

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13 6: Vapor Pressures of Solutions

At 100C the vapor pressure of pure water is 760 mmHg Calculate the vapor pressure of an aqueous solution containing 30 2% ethylene glycol by mass a concentration commonly used in climates that do not get extremely cold in winter Given: identity of solute percentage by mass and vapor pressure of

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nonelectrolytes

47 What is the osmotic pressure of a solution prepared from 13 7 g of the electrolyte HCl and enough water to make 0 500 L of solution at 18C? 48 Which of the following aqueous solutions has the lowest freezing point? A 0 18 m KCl B 0 15 m Na 2SO 4 C 0 12 m Ca(NO 3) 2 D pure water E 0 20 m C 2H 6O 2 (ethylene glycol) Answers: 1

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methylene glycol vapor pressure

This page provides supplementary chemical data on ethylene glycol 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Freezing point of aqueous solutions 6 Distillation data 7 Spectral data

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what is the molality of ethylene glycol?

03 12 2011An aqueous antifreeze solution is 46 0% ethylene glycol (C2H6O2) by mass The density of the solution is 1 059 g/cm3 Calculate the molality of the ethylene glycol what I canot figure out is how density here can helpme with equation any ideas ??thankks

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COLLIGATIVE PROPERTIES

vapor pressure the elevation of boiling point the pressure arising from the presence of a solute • • Only applicable to dilute solutions COLLIGATIVE PROPERTIES: • • All the colligative colligative properties stem from the ethylene glycol and water has a vapor pressure of 1 00 atm at 110C

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Properties of Solutions

Colligative Properties Solutes affect some properties of solutions that depend only on the concentration of the dissolved particles These properties are called colligative properties A characteristic of solutions that depends only on the number of dissolved particles Four important colligative properties that we will examine here are vapor pressure depression boiling point elevation

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Water activity of aqueous solutions of ethylene oxide

INTRODUCTION The water activity (a w) of an aqueous solution is the ratio between the fugacity of water in this solution and the fugacity of pure liquid water at the same temperature and pressure This property is the most directly accessible measure of liquid-phase non-ideality of aqueous solutions of non-volatile solutes since there are either well documented techniques or electronic

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Secret Bases Ethylene glycol (data page)

This page provides supplementary chemical data on ethylene glycol 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Freezing point of aqueous solutions 6 Distillation data 7 Spectral data 8 References

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Properties of Solutions

Colligative Properties Solutes affect some properties of solutions that depend only on the concentration of the dissolved particles These properties are called colligative properties A characteristic of solutions that depends only on the number of dissolved particles Four important colligative properties that we will examine here are vapor pressure depression boiling point elevation

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CRC Handbook of Chemistry and Physics

Vapor Pressure of Fluids at Temperatures below 300 К 6-102 Vapor Pressure of Saturated Salt Solutions 6-110 IUPAC Recommended Data for Vapor Pressure Calibration 6-111 Enthalpy of Vaporization ! 6-112 Enthalpy of Fusion 6-130 Pressure and Temperature Dependence of Liquid Density 6-140 Volumetric Properties of Aqueous Sodium Chloride Solutions

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(Solved)

A stream of ethylene glycol vapor at its normal boiling point and 1 atm flowing at a rate of 175 kg/mm is to be condensed at constant pressure The product stream from the condenser is liquid glycol at the condensation temperature (a) Using data in Table B 1 calculate the rate (kW) at which heat must be transferred from the condenser

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methylene glycol vapor pressure

This page provides supplementary chemical data on ethylene glycol 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Freezing point of aqueous solutions 6 Distillation data 7 Spectral data

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Triethylene Glycol

Formula C6H14O4 Molecular Formula HOCH2CH2OCH2CH2OCH2CH2OH Dow: Your Best Source for Triethylene Glycol Quality CAS Number 112-27-6 Synonyms Glycol-bis(hydroxyethyl) ether 2 2'-[1 2-ethanediylbis(oxy)] bis-ethanol Triglycol TEG T3EG TriEG Dow is the world's largest producer of ethylene oxide and glycols with over 70 years of experience in their manufacture marketing and

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Boiling Points of Aqueous Solutions of Dextrose Within the

Boiling Points of Aqueous Solutions of Dextrose Within the Pressure Range of 200 to 1 500 Millimeters By John L Torgesen 1 Vincent E Bower and Edgar R Smith By using twin ebulliometers of the Swietoslawski type with water as the reference standard data were obtained on the vapor-pressure-temperature relationship for aqueous solutions of

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Solutions and Their Properties

Assume the solution containing 62 1 g of glycol in 250 g of water What is the vapor pressure of water over the solution at 30 ooC? (The VP of pure H(The VP of pure H 2O is 31 8 mm Hg at 30 C) 250 g H 2O = 13 9 mol Dissolve 62 1 g (1 00 mol) of ethylene glycol in 250 g of H 2O Calculate X m and % of glycol

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glycol production

Silver oxide on alumina and vapor others phase In s o h of 1% Sulfuric acid ' sulfuric and 20% glycol 10Oo-14O0C 90- 120 p s i g Vapor phase Aluminum fluo15Oo-35O0 ride C 1 atm Ion exchange resin 18Oo-33O0 C 7 ion exchange materials used 7 5-95 p s i a reaction catalyzed by hydroxyl ion first order reaction with respect to ethylene oxide (4) This catalyst most effective catalyst

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Secret Bases Ethylene glycol (data page)

This page provides supplementary chemical data on ethylene glycol 1 Material Safety Data Sheet 2 Structure and properties 3 Thermodynamic properties 4 Vapor pressure of liquid 5 Freezing point of aqueous solutions 6 Distillation data 7 Spectral data 8 References

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Solutions

In Example 8 we calculated that the vapor pressure of a 30 2% aqueous solution of ethylene glycol at 100C is 85 1 mmHg less than the vapor pressure of pure water We stated (without offering proof) that this should result in a higher boiling point for the solution compared with pure water

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US Patent for Method of recovering ethylene oxide Patent

A method of recovering ethylene oxide from the reaction product gas that is obtained by the catalytic vapor phase oxidation of ethylene with molecular oxygen over a silver-containing catalyst which comprises conducting the reaction product gas to an absorption column maintained at a pressure in the range of 2 - 40 kg/cm sup 2 countercurrently contacting reaction product gas with an aqueous

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Colligative Properties – Chemistry 2e

The vapor pressure of methanol CH 3 OH is 94 torr at 20 C The vapor pressure of ethanol C 2 H 5 OH is 44 torr at the same temperature (a) Calculate the mole fraction of methanol and of ethanol in a solution of 50 0 g of methanol and 50 0 g of ethanol (b) Ethanol and methanol form a solution that behaves like an ideal solution

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