Which of the following decreases the average kinetic energy of solvent molecules?
decreasing t...
Chemistry, 05.04.2020 21:56 carter4026
Which of the following decreases the average kinetic energy of solvent molecules?
decreasing the contact area between solvent and solute
O decreasing the temperature
o not stirring the solution
O decreasing the pressure
Answers: 2
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)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.
Answers: 1
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