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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

Boiling Point of Gases, Liquids & Solids: American Elements Toolbox of Conversion Tables, Properties, Identifiers and Size Charts.

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 ...

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.

van.physics.illinois.edu/qa/listing.php?id=1459

Is the boiling point of a material which is liquid at room temperature (specifically H2O) less than the boiling point of a material which is solid at ...

answers.google.com/answers/threadview/id/209209.html

Hi, Jim ! A simple definition of "boiling point" can be found in the MSDS Hyper Glossary at: http://www.ilpi.com/msds/ref/boilingpoint.html It says: ...

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 ...

www.encyclopedia.com/science-and-technology/physics/physics/boiling-point

boiling point, temperature at which a substance changes its state from liquid to gas. A stricter definition of boiling point is the temperature at which the liquid and  ...