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Superheated water is liquid water under pressure at temperatures between the usual boiling point, 100 °C, and the critical temperature, 374 °C. It has different properties from normal water, such as increased solubility, decreased dielectric constant, and corrosion resistance.
Learn about the density of water at different temperatures and pressures, as well as other physical and chemical properties of this universal solvent. Find out how water molecules form hydrogen bonds, dissolve salts and acids, and exist in solid, liquid, and gas states.
Hottest air temperature recorded in South America, at Rivadavia, Argentina on 1905-12-11 [24] Maximum safe temperature for hot water according to numeric U.S. plumbing codes [42] Water will cause a second-degree burn after 8 minutes and a third-degree burn after 10 minutes [42]
Nucleate boiling is a type of boiling that occurs when the surface temperature is higher than the saturation temperature by a certain amount but below the critical heat flux. Learn about the mechanism, behavior, heat transfer correlations and departure from nucleate boiling of this phenomenon.
Learn about water heating, a heat transfer process that uses energy to heat water for various purposes. Find out the different types of water heating appliances, such as storage water heaters, tankless heaters, and district heating systems, and the energy sources they use, such as fossil fuels, electricity, solar, and heat pumps.
A thermostatic mixing valve (TMV) is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures. Learn about the types, functions, and benefits of TMVs, and how they prevent scalding and Legionella.
Learn the definition, units, and variations of specific heat capacity, the amount of heat needed to raise the temperature of a substance by one unit. Find out the specific heat capacity of water and other common substances at different conditions and states.
Learn about the pressure exerted by water vapor in gaseous form and how it varies with temperature. Find formulas, tables and graphs for calculating vapor pressure and its applications in meteorology, cooking and breathing.