### What is the vapor pressure of the water-ethylene glycol soln

Assignment Help Chemistry
##### Reference no: EM13125112

A 43.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C ?

### Write a Review

#### What is the molecular formula of the gas in the sample

A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.

#### Carbonation of concrete and passivity of steel

With respect to the corrosion of steel in concrete, explain the significance of the following terms: carbonation of concrete, passivity of steel, electrical resistivity of concrete, state of oxidation of iron.

#### What is the solubility product constant

At a certain temperature, a volume of 100 mL of saturated barium carbonate solution contains 0.00216 g of BaCO3 (MW=197.3 g/mol).

#### Determine the approximate ph of the mixture

Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.

#### What is the mass, in grams, of the liquid propylene glycol

What is the mass, in grams, of 55.0 mL of the liquid propylene glycol, a moisturizing agent for foods, which has a density of 1.036 g/mL at 25 degress Celcius.

#### Calculate the average atomic weight of argon

3 isotopes of argon occur in nature. Ar-36, Ar-38, and Ar-40. The abundance of each are as follow: 0.34%, 0.07%, and 99.59%.

#### Installation of a solar water heater

Should you install a solar water heater? The average home has a 200 liter hot-water tank, which is effectively drained and replenished three times per day.

#### What is the delta g for the reaction

The delta G for the reaction is 2.60 kj/mol at 25 degrees C. The initial pressures are  P H2 = 3.34 atm, P I2 = 0.024 atm and P HI = 0.24 atm.

#### Provide the newman projections

Provide the newman projections across the C 2 -C 3 bonds for the major conformers after Drawing the zig-zag structures of all the isomers of 2,3-diaminopentane.

#### What is the concentration of unknown acid solution

What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.

#### Calculate the mass of cu(no3)2·3h2o needed

Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?

#### Calculate the final temperature of 37 ml of ethanol

Calculate the final temperature of 37 mL of ethanol initially at 11 degrees C upon absorption of 624 J of heat. (density of ethanol =0.789 g/mL).