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2007-11-13 13:04:54 · 2 answers · asked by nomad A 1 in Science & Mathematics Chemistry

2 answers

evaporation can take place at any temperature. Only the highest energy particles can escape the intermolecular forces of the liquid to become a gas.

Boiling occurs when the vapor pressure of a liquid equals atmospheric pressure.

2007-11-13 13:13:11 · answer #1 · answered by kentchemistry.com 7 · 0 0

Boiling occurs at a temperature at which the vapor pressure of the liquid equals the atmospheric pressure. Evaporation occurs at room temperature, owing to the vapor pressure of the liquid at rthat temperature. In either case, the same number of calories per gram is put into the liquid to make it boil or evaporate. This is the latent heat of vaporization. In evaporation, it's just slower.

2007-11-13 13:15:44 · answer #2 · answered by steve_geo1 7 · 0 0

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