Why do you think water boils when the vapor pressure is equal to atmospheric pressure?

because The pressure level of a liquid lowers the number of pressure exerted on the liquid by the atmosphere. ... pressure level may be increased by heating a liquid and causing more molecules to enter the atmosphere. At the purpose where the pressure level is up to the air pressure boiling will begin.

Explanation: I hope this helps, have a good day :)

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adioabiola adioabiola · Answer 2 · 2022-01-03T13:28:15+01:00

Water boils when the vapour pressure is equal to atmospheric pressure because the liquid water molecules have a pressure that is sufficient to convert them to gases.

Discussion:

When any substance is in its liquid phase, at atmospheric pressure, it means that this pressure is sufficient to confine the molecules together to remain in its liquid phase.

The molecules should possess equal energy (in which case, the pressure at this point is termed vapour pressure and is equal to the atmospheric pressure) in a bid to overcome the atmospheric pressure for the liquid to boil.