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Celsius Fahrenheit Comments 1 H hydrogen (H 2) use: ... melting point 302.9146 K ... 34 Se selenium (hexagonal, gray) use:
The minimum distance between chains is 343.6 pm. Gray selenium is formed by mild heating of other allotropes, by slow cooling of molten selenium, or by condensing selenium vapor just below the melting point. Whereas other selenium forms are insulators, gray selenium is a semiconductor showing appreciable photoconductivity.
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.
Spectral lines of selenium: Other properties; ... phase comment = | melting point K = | melting point C = | melting point F = | melting point ref = | melting point ...
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Freezing point (°C) K f (°C⋅kg/mol) Data source; Aniline: 184.3 3.69 –5.96 –5.87 K b & K f [1] Lauric acid: 298.9 44 –3.9 Acetic acid: 1.04 117.9 3.14 16.6 ...
34 Se selenium; use: 95.48 CRC: 95.48 LNG: 95.48 WEL: 26 ... Values refer to the enthalpy change in the conversion of liquid to gas at the boiling point (normal, 101. ...
Values are in kelvin K and degrees Celsius °C, rounded For the equivalent in degrees Fahrenheit °F, see: Boiling points of the elements (data page) Some values are predictions