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Kelvin Celsius Fahrenheit Comments 1 H hydrogen (H 2 ... melting point 302.9146 K ... Triple point temperature values (marked "tp") are not valid at standard pressure
13 Al aluminium; use: 2743 K: 2470 °C: ... Values are in kelvin K and degrees Celsius °C, ... Melting points of the elements (data page)
At standard temperature and pressure, aluminium ... with a superconducting critical temperature of 1.2 kelvin and a critical ... below its melting point of 192 ...
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Boca Raton, Florida, 2003; Section 6, Fluid Properties; Critical Constants. Also agrees with Celsius values from Section 4: Properties of the Elements and Inorganic Compounds, Melting, Boiling, Triple, and Critical Point Temperatures of the Elements Estimated accuracy for Tc and Pc is indicated by the number of digits.
The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid. At the melting point the solid and liquid phase exist in equilibrium. The melting point of a substance depends on pressure and is usually specified at a standard pressure such as 1 atmosphere or 100 kPa.
13 Al aluminium; use: 284 CRC: 294 LNG: 294.0 WEL: 293 Zhang et al. ... Values refer to the enthalpy change in the conversion of liquid to gas at the boiling point ...
Thermodynamic temperature is a quantity defined in thermodynamics as distinct from kinetic theory or statistical mechanics.. Historically, thermodynamic temperature was defined by Lord Kelvin in terms of a macroscopic relation between thermodynamic work and heat transfer as defined in thermodynamics, but the kelvin was redefined by international agreement in 2019 in terms of phenomena that are ...