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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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Boiling is a phase transition that occurs when a liquid becomes a gas. In this section, you will learn about the factors that affect the boiling point of a liquid, such as temperature, pressure, and intermolecular forces. You will also explore the concept of heat of vaporization and how it relates to boiling. This is a chapter from the introductory chemistry textbook by CK-12.
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A compound's "normal boiling point" refers to its boiling point at a pressure of 760 mmHg 760 mm Hg. A compound's boiling point is a physical constant just like melting point, and so can be used to support the identification of a compound. Unlike melting points however, boiling points are not generally used as a gauge of purity.
Boiling points are influenced by intermolecular forces, which depend on the polarity, size, and shape of the molecules. In this LibreTexts module, you will learn how to predict and explain the boiling points of different substances using the concepts of molecular structure and intermolecular forces. You will also explore some examples and applications of boiling points in chemistry.
6. Okt. 2019 · Updated on October 06, 2019. The simple answer to this question is that the boiling point of water is 100 °C or 212 °F at 1 atmosphere of pressure ( sea level ). However, the value is not a constant. The boiling point of water depends on the atmospheric pressure, which changes according to elevation. Water boils at a lower temperature as you ...
