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There are two conventions regarding the standard boiling point of water: The normal boiling point is 99.97 °C (211.9 °F) at a pressure of 1 atm (i.e., 101.325 kPa). The IUPAC-recommended standard boiling point of water at a standard pressure of 100 kPa (1 bar) is 99.61 °C (211.3 °F).
Apr 12, 2024 · Learn what boiling point is, how it varies with pressure, and how it relates to vaporization and condensation. Find out the normal boiling point of water and other substances, and see related topics and articles.
- The Editors of Encyclopaedia Britannica
May 25, 2022 · Learn what boiling point is, how it depends on pressure and purity, and how to measure it. See the normal and standard boiling points of the elements and the difference between boiling and evaporation.
Jan 30, 2023 · For example, for water, the boiling point is 100ºC at a pressure of 1 atm. The boiling point of a liquid depends on temperature, atmospheric pressure, and the vapor pressure of the liquid. When the atmospheric pressure is equal to the vapor pressure of the liquid, boiling will begin.
- 2 min
Jul 15, 2023 · If this pressure is the standard pressure of 1 atm (101.3 kPa), then the temperature at which the liquid boils is referred to as its normal boiling point. This is the boiling point which is usually quoted in chemical literature.
May 6, 2019 · Learn what boiling point is and how it depends on atmospheric pressure. Find out the difference between boiling and evaporation, and the types of boiling points.
Oct 6, 2019 · Learn how the boiling point of water depends on temperature, altitude, pressure and purity. Find out the boiling point of water at sea level and on a mountain, and see how impurities affect it.
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