Difference between revisions of "Triple point"
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| − | + | The [[triple point]] of any [[pure substance]] is that combination of temperature and pressure at which all three phases of that substance (solid, liquid, and gas) coexist simultaneously in [[thermodynamic]] equilibrium. | |
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| + | The triple point of [[water]] is used to define the [[Kelvin]] temperature scale. It occurs at a temperature of 273.16 K = 0.01 °C = 32.018 °F. | ||
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| + | [[Category:Physics]] | ||
| + | [[Category:Reaction Kinetics]] | ||
Revision as of 03:21, June 9, 2015
The triple point of any pure substance is that combination of temperature and pressure at which all three phases of that substance (solid, liquid, and gas) coexist simultaneously in thermodynamic equilibrium.
The triple point of water is used to define the Kelvin temperature scale. It occurs at a temperature of 273.16 K = 0.01 °C = 32.018 °F.