Which of the following factors directly impacts the rate at which a liquid evapo

Question

Which of the following factors directly impacts the rate at which a liquid evaporates? Select all that apply. Strength of intermolecular forces An open or dosed container Mole fraction of the molecules in the vapor phase Absolute temperature Surface area of the liquid When a liquid boils, which of the following statements must be true? The rate of evaporation equals the rate of condensation. The partial pressure of the gas-phase molecules is constant. The vapor pressure of the liquid equals the ambient atmospheric pressure. The vapor pressure of the liquid equals 1 atm. The temperature of the liquid reaches 100.0 degree C.

Explanation / Answer

the following factors affect the rate of evaporation directly

a) Strength of intermolecular forces: Lower the forces higher the rate of evaporation,as molecules can easily go from liquid to gas phase. Need less energy to overcome the intermolecular forces which binds the molecules together.

b)Nature of container: Open container, molecules can easily escape, higher the rate of evaporation

d) absolute temperature: Higher the temperature more the molecules to gain energy and get convertd to vapours, so higher rate of evaporation

e) Surface area of liquid: larger the area, more the number of molecules can escape from surface to atmospher so higher the rate of evaporation

2) The following statements are true:

a) rate of evaporation equals rate of condensation

b) vapour pressure liquids equal to the ambient atmospheric pressure

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