Question

A measure of the tendency of the molecules of a liquid to escape into the gas phase is the liquid's

Answer 1

The answer you are looking for is Vapor Pressure

Vapor pressure is the pressure of vapor in contact with it's liquid. Vapor is a substance suspended into the air like a gas from a liquid. This matches your question. Therefore, Vapor pressure is the correct answer from the given choices.

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Answer 2

C.) A measure of the tendency of the molecules of a liquid to escape into the gas phase is the liquid's "Vapor Pressure"

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