Question

explain how the rate of evaporation of a liquid is affected with
(a) increase in temperature of the liquid
(b) increase in moisture in the surrounding air
(c) decrease in exposed surface area
(d) increase in wind speed.

Answer 1

(a) when temperature increase the mol. of the liquid starts vibarating thus, move apart (Kinetic theory) leads to the expansion of the liqiuid or density decreases and we know that less denser substance move upward.
(b) The more moisture there is in air ,Less the space for more mol. thus it decreases
(c) more exposed surface area ,more heat the liquid will absorb.
(d) more wind speed will blow away the moisture in the air thus leaving the dry air , therefore rate of evapor. increase



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