Compute the activity and activity coefficient for ethanol

Assignment Help Chemistry
Reference no: EM13309920

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: EM13309920

Questions Cloud

Compute the initial speed and direction of the proton : Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. What was the initial speed and direction of the proton
The carbocation intermediate substrate is primary halidebase : Carbocation intermediate Substrate is primary halidebase is unhindered Substrate is primary halidebase is hindered Substrate is secondary halidebase is weak Substrate is secondary halidebase is strong Substrate is tertiary halidebase
What is the mass of nitrogen in an nitrogen tank : What is the mass of nitrogen in an nitrogen tank at 20C if the tank has a volume of 0,20m^3 and nitrogen pressure in the tank is 4,0 x 10^6 N/m^2
Plot the shape of water surface from the center to radius : a whirlpool is modeled as the combination of a free and a forced vortex. the maximum velocity in the whirlpool is 10 m/s, and the radius at the juncture of the free and the forced vortex is 10m.
Compute the activity and activity coefficient for ethanol : 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.
What would be the maximum concentration in the air in units : The chemical 1,4-dichlorobenzene (1,4-DCB) is sometimes used as a disinfectant in public lavatories. At 20°C (68°F) the vapor pressure is 5.3 × 10-4 atm. (a) What would be the maximum concentration in the air in units of g/m3
Explain electron movement using the curved arrow convention : Predict the major organic product formed in the addition of HBr to 2,3-dimethyl-2-butene. Provide a stepwise mechanism for the reaction, showing all electron movement using the curved arrow convention.
Demonstrate with a high degree of confidence that errors : The goal of testing is to demonstrate that the software satisfies its requirements and to demonstrate with a high degree of confidence that errors, which could lead to unacceptable failure condition, have been removed.
How many joules of energy did friction absorb : A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb

Reviews

Write a Review

 

Chemistry Questions & Answers

  What is the total pressure in the vessel

a 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are introduced into a 2.5 dm3 vessel. what is the total pressure in the vessel?

  Calculate the number of kilograms of helium required

Calculate the number of kilograms of helium required to inflate a balloon with a volume of 100.000 L at a pression of 250 mmHg and atmospheric temperature of -35 ° C.

  Explain what is the wavelength in nanometers

what is the wavelength ,in nanometers, of light with an energy content of 1979Kj/mol? In what portion of the electromagnetic spectrum i this light

  Explain concentration of lead nitrate is required to begin

In the above system, if lead nitrate is added to sodium chromate, what concentration of lead nitrate is required to begin formation of a precipitate? CHOOH(aq) + H2O(l) CHOO-(aq) + H3O+(aq)

  Explain the hydronium concentration of the solution

What is the pH of a 1.2 x 10-4 M solution of KOH? What is the hydronium concentration of this solution?

  Explain what are amino-acid trna synthetase enzymes

What are amino-acid tRNA synthetase enzymes and why are they important in the biology of cells? How many different ones do you know exist in any given cell type

  Determine the malate dehydrogenase reaction

Consider the malate dehydrogenase reaction from the citric acid cycle. Given the following concentrations, calculate the free energy change for this reaction at 37.0 °C (310 K).

  Identify the limiting reactant

CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.

  What mass of nitrogen was produced

A 15 L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100 celcius. At this temperture, and after the reaction is complete

  Define how some solids can be analyzed by gas

Explain how some solids (compounds that are solids at room temperature) can be analyzed by gas chromatography. Also, how can they be introduced into the injector port and column

  Estimate the enthalpy change for the following gas-phase

Use bond enthalpies to estimate the enthalpy change for the following gas-phase reaction.

  Define what are the concentrations of cu2+

If 2.50 g CuSO4 are dissolved in 8.0 x 10^2 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)4^2+, and NH3 at equilibrium

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