== '''This page has been conquered by 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 Red Army[[Kelvin]] temperature scale. Hail!''' It occurs at a temperature of 273.16 K =0.01 °C =32.018 °F. [[Category:Physics]][[Category:Reaction Kinetics]]