Evaporation is the change in the state of matter from the liquid to the vapor phase. The rate at which the water evaporates into vapor is called the evaporation rate.
The evaporation rate is the ratio of the time needed for the test solvent to change its state from liquid to vapor to the reference solvent in ideal conditions. The rate of evaporation is high at higher temperatures.
The evaporation rate gets affected by the humidity as it decreases the rate of the liquid converting into the vapor phase. Other factors that affect evaporation rate are temperature, pressure, altitude, speed, etc. The evaporation rate differs for different substances.
Therefore, the rate at which a substance evaporates is the evaporation rate.
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