Compute the activity and activity coefficient

Assignment Help Chemistry
Reference no: EM13312579

At 35.0 oC, the vapor pressure of chloroform is 295.1 torr and that of ethanol is 102.8 torr. a. Which of these liquids has the higher boiling point? b. A chloroform-ethanol solution at 35 oC with ?ethanol=0.200 in the liquid phase has a vapor pressure of 304.2 torr and a vapor composition of Yethanol= 0.138. Calculate the activity and activity coefficient for ethanol in this solution. c. Calculate ?mixG for a solution that contains 0.12 moles of ethanol and 0.83 moles of chloroform at 35.0 oC.

Reference no: EM13312579

Questions Cloud

Find the magnitude of the net magnetic force on the wire : A wire 28.0 cm long lies along the z-axis and carries a current of 8.50 A in the +z-direction. find the magnitude of the net magnetic force on the wire
Compute the number of moles containing : Calculate the number of moles containing each of the following. Express your answer to three significant figures and include the appropriate units. A.) 1.42×1022 atoms of sodium
How long is the stone in the air : A stone is thrown outward from the top of a 59.4m high cliff with an upward velocity component of 19.5 m/s. How long is the stone in the air
Determine what were the size of the deposits : Uniform deposits were made on January 1 of 1991, 1992, 1993, and 1994 into a fund intended to provide $1000 on January 1 of 2005, 2006, and 2007. What were the size of these deposits
Compute the activity and activity coefficient : A chloroform-ethanol solution at 35 oC with ?ethanol=0.200 in the liquid phase has a vapor pressure of 304.2 torr and a vapor composition of Yethanol= 0.138. Calculate the activity and activity coefficient for ethanol in this solution
With what speed was it thrown : A ball is thrown horizontally from the top of a 20-m high hill. It strikes the ground at an angle of 45 degrees. With what speed was it thrown
How many square inches of coating need to be applied : Workers plan to apply a reflective coating of paint to one surface of an equilateral triangular shaped highway sign. How many square inches of coating need to be applied to the sign if one side of the triangle is 12 inches
Explain methane is burned in a laboratory bunsen burner : Methane is burned in a Laboratory Bunsen burner to give CO2 and water vapor. Methane gas is supplied to the burner at the rate of 5.0 L/ min ( at temperature of 28° C and a pressure of 773 mm Hg)
Find the depth of a point below water surface in sea : Find the depth of a point below water surface in sea where pressure is 1.006 million N/m^2. (Specific gravity of sea water = 1.025)

Reviews

Write a Review

Chemistry Questions & Answers

  Define solution of naoh

Consider the weak acid, with a Ka = (4.40x10^-4). In the titration of 25.00 mL of a 0.01000 M solution of the acid with 25.00 mL of a 0.01000 M solution of NaOH

  Explain the heat of vaporization of liquid water

The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/ (K x mol) for the liquid and 33.6 J/ (K x mol) for the vapor.

  What is the percent ionization of a solution

What is the percent ionization of a solution made by adding 6.00 grams of CH3COOH to 100 g of water (Kb = 0.512 ?C/m) if the boiling point of the solution is 100.712 ?C? Answer in units of %.

  State molar constant-volume heat capacity

A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.

  Predict the effect of decreasing the container volume

Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)

  Expect the lone pair on the central halogen to be axial

Consider the molecules ClF3O and BrF3O. (a) Would expect the lone pair on the central halogen to be axial or equatorial in these molecules? Explain

  Compute the heat exchanger duty in kw

What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.

  Compute the h reaction in kj per mol metal

The mass of the final solution is 73.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the ?Hreaction in kJ/mol metal.

  Define what is the molar mass of the protein

A 3.0 x 10-2 mg sample of a protein is dissolved in water to make 0.25 ml of solution. The osmotic pressure of the solution is 0.56 torr at 25C. What is the molar mass of the protein

  How many uranium atoms would have to be laid side by side

The radius of a uranium atom is 149 pm. How many uranium atoms would have to be laid side by side to span a distance of 4.55 mm?

  Explain benzene molecule are single bonded to each other

All of the carbon atoms in the ring of carbon atoms of the benzene molecule are double bonded to each other. All of the carbon atoms in the ring of carbon atoms of the benzene molecule are single bonded to each other.

  State nocl partially decomposed according to the equation

When 2.00 mol of NOCl(g) was heated to 225 degrees celcius in a 400L steel reaction vessel, the NOCl partially decomposed according to the equation 2 NOCl(g) -->2 NO(g) + Cl2(g)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd