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The boiling point of a substance is the temperature at which the vapor pressure of the liquid is equal to the surrounding environmental pressure. Boiling point varies depending on the atmospheric pressure and the composition of the substance.

en.wikipedia.org/wiki/Boiling_point

... of a liquid at a given temperature, the lower the normal boiling point ...

www.engineeringtoolbox.com/boiling-points-fluids-gases-d_155.html

The boiling point of a substance is the temperature at which it changes state from liquid to gas throughout the bulk of the liquid. At the boiling point molecules ...

www.americanelements.com/boiling-point.html

The boiling point of a substance is the temperature at which the vapor pressure of the liquid is equal to the surrounding atmospheric pressure, thus facilitating ...

owlcation.com/stem/Freezing-Melting-and-Boiling-Points-of-Solids-Liquids-and-Gases-in-general-use-today

Jun 14, 2016 ... List of Substances and the Temperatures they Freeze, Melt, or Boil at. Definition of Boiling Point, Freezing Point, Melting Point.

www.chem.purdue.edu/gchelp/liquids/boil.html

Boiling. 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 ...

chemed.chem.purdue.edu/genchem/topicreview/bp/ch14/melting.php

Liquids have a characteristic temperature at which they turn into solids, known as their freezing point. In theory, the melting point of a solid should be the same ...

chemed.chem.purdue.edu/genchem/topicreview/bp/ch14/liquids.php

The difference between the structures of gases, liquids, and solids can be best ... Melting Points and Boiling Points of Compounds with the Generic Formula ...

www.britannica.com/science/boiling-point

Boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equalled by the pressure exerted by the vapour of the liquid; under ...

science.jrank.org/pages/983/Boiling-Point.html

The boiling point of a liquid substance is the temperature at which the vapor pressure of the liquid equals the external pressure on the liquid. Vapor bubbles form ...