Difference between revisions of "Hydrogen"
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|melting-point = 13.957 K (−259.193 °C) | |melting-point = 13.957 K (−259.193 °C) | ||
|boiling-point = 20.39 K (−252.76 °C) | |boiling-point = 20.39 K (−252.76 °C) | ||
| − | |critical point = 33.18 K, 13.00(1) bar | + | |critical-point = 33.18 K, 13.00(1) bar |
|solubility = | |solubility = | ||
|IE-ref = <ref>{{RubberBible62nd|page=E-65}}.</ref> | |IE-ref = <ref>{{RubberBible62nd|page=E-65}}.</ref> | ||
| Line 19: | Line 19: | ||
|entropy = 130.680(3) J K<sup>−1</sup> mol<sup>−1</sup> | |entropy = 130.680(3) J K<sup>−1</sup> mol<sup>−1</sup> | ||
|enthalpy-vaporization = 0.904 kJ mol<sup>−1</sup> | |enthalpy-vaporization = 0.904 kJ mol<sup>−1</sup> | ||
| + | |enthalpy-atomization = 217.998(6) kJ mol<sup>−1</sup> | ||
| + | |entropy-atomization = 114.717(2) J K<sup>−1</sup> mol<sup>−1</sup> | ||
|CAS-number = 1333-74-0 | |CAS-number = 1333-74-0 | ||
|EC-number = 215-605-7 | |EC-number = 215-605-7 | ||
Revision as of 07:07, 20 June 2010
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Hydrogen (symbol: H) is a chemical element, the most abundant element in the universe.
References
- ↑ Hydrogen. In NIST Chemistry WebBook; National Institute for Standards and Technology, <http://webbook.nist.gov/cgi/inchi/InChI%3D1S/H2/h1H>. (accessed 20 June 2010).
- ↑ 2.0 2.1 Greenwood, Norman N.; Earnshaw, A. Chemistry of the Elements; Pergamon: Oxford, 1984; pp 38–74. ISBN 0-08-022057-6.
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p E-65. ISBN 0-8493-0462-8.
- ↑ Cox, J. D.; Wagman, D. D.; Medvedev, V. A. CODATA Key Values for Thermodynamics; Hemisphere: New York, 1989. ISBN 0891167587, <http://www.codata.org/resources/databases/key1.html>.
External links
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See also the corresponding article on Wikipedia. |
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