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Boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapor of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapor without raising the temperature.
The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor. The boiling point of a liquid varies depending upon the surrounding environmental pressure.
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May 25, 2022 · The normal boiling point or the atmospheric boiling point is the boiling point at 1 atmosphere of pressure or sea level. The standard boiling point, as defined by the IUPAC in 1982, is the temperature at which boiling occurs when the pressure is 1 bar.
Jan 30, 2023 · 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.
May 6, 2019 · The boiling point is the temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid. Therefore, the boiling point of a liquid depends on atmospheric pressure. The boiling point becomes lower as the external pressure is reduced.
Oct 6, 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.
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.
Jan 23, 2023 · The melting points of crystalline solids cannot be categorized in as simple a fashion as boiling points. The distance between molecules in a crystal lattice is small and regular, with intermolecular forces serving to constrain the motion of the molecules more severely than in the liquid state.
Aug 6, 2020 · The normal boiling point of water is 100 °C, 212 °F, or 373.1 K. The “normal” refers to sea level or an elevation of 0 meters or feet. But, the boiling point of water changes with elevation. The boiling point is a higher temperature below sea level and a lower temperature above sea level.
