Question

What happens to a liquid when vapour pressure equals atmospheric pressure?

Answer 1

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Good evening,
Boiling Point. The boiling point is defined as the temperature at which the saturated vapor pressure of a liquid is equal to the surrounding atmospheric pressure.

Answer 2

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When the atmospheric pressure is equal to the vapor pressure of the liquid, boiling will begin. When a liquid boils, what is inside the bubbles? The bubbles in a boiling liquid are made up of molecules of the liquid which have gained enough energy to change to the gaseous phase.