PHYSICS 3B Chapter Notes - Chapter 13: Relative Humidity, Partial Pressure, Heat Capacity
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Molecules at a high velocity will escape the attractive forces and move into the gas phase ( escape the waters surface) Fastest molecules escapes leaving me less slow ones behind. Molecules that leave strike the timid surface and become part of the liquid phase again saturated vapor pressure ! When evaporation and condensation are m eouuilibrium , mer vapor just above timid is considered saturated. Represents the maximum amount of material that can be in the gaseous phase at mat t. Boiling - a timid boils when its saturated vapor pressure equals external pressure. Water boils at 100 - c @ latin. Partial pressure : the pressure each gas would. " of water in air can be as low as zero and ab high as saturated vapor pressure at that temperature exert if it alone were present. Relative humidity : measure of the saturation of the air by water molecules.
