Question

what is vapour pressure? ??​

Answer 1

Answer:

Hi friend

Here is your answer -:

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☆ VAPOUR PRESSURE

The pressure exerted by vapour in equilibrium with the solid or liquid phase of the same substance. Also, the partial pressure of the substance in the atmosphere above the solid or the liquid.

☆ VAPOUR PRESSURE AFFECT BOILING BY-:

A liquid boils at a temperature at which its vapor pressure is equal to the pressure of the gas above it. The lower the pressure of a gas above a liquid, the lower the temperature at which the liquid will boil.

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Hope it helps :)

Answer 2

Answer:

Vapour pressure is a pressure exerted by a solute at thermodynamic equillibrium with its condensed phases at a given temperature in closed system...