Normal Boiling Point Definition (Chemistry)

Normal vs Regular Boiling Point

Normal boiling point is defined as the boiling point at sea level or 1 atmosphere.
Normal boiling point is defined as the boiling point at sea level or 1 atmosphere. Kroeger & Gross / Getty Images

Normal Boiling Point Definition

Normal boiling point is the temperature at which a liquid boils at 1 atmosphere of pressure. It's different from the simple definition of boiling point in that the pressure is defined. The normal boiling point is a more useful value when comparing different liquids, since boiling is affected by altitude and pressure.

The normal boiling point of water is 100°C or 212°F.

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Helmenstine, Anne Marie, Ph.D. "Normal Boiling Point Definition (Chemistry)." ThoughtCo, Dec. 8, 2017, thoughtco.com/definition-of-normal-boiling-point-605416. Helmenstine, Anne Marie, Ph.D. (2017, December 8). Normal Boiling Point Definition (Chemistry). Retrieved from https://www.thoughtco.com/definition-of-normal-boiling-point-605416 Helmenstine, Anne Marie, Ph.D. "Normal Boiling Point Definition (Chemistry)." ThoughtCo. https://www.thoughtco.com/definition-of-normal-boiling-point-605416 (accessed January 18, 2018).