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The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid [1] [2] and the liquid changes into a vapor. The boiling point of a liquid varies depending upon the surrounding environmental pressure. A liquid in a partial vacuum, i.e., under a lower pressure, has a lower ...
Apr 12, 2024 · Learn what boiling point is and how it varies with pressure and altitude. Find out the normal boiling point of water and other substances, and how to measure it.
- The Editors of Encyclopaedia Britannica
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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 · Boiling. Boiling is the process by which a liquid turns into a vapor when it is heated to its boiling point. The change from a liquid phase to a gaseous phase occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid. Boiling is a physical change and molecules are not chemically altered during the ...
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Jul 15, 2023 · 10.12: Boiling Point. When we heat a liquid until it boils, the bubbles that form inside the liquid consist of pure vapor. If the liquid is well stirred while boiling occurs, the vapor in the bubbles will be in equilibrium with the liquid and will have a pressure equal to the vapor pressure at the boiling temperature.
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.
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