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The data below tabulates standard electrode potentials (E°), in volts relative to the standard hydrogen electrode (SHE), at: Temperature 298.15 K (25.00 °C; 77.00 °F);
Royal Society of Chemistry: from 275 data sources "ChemSpider". 88,000,000 ChemIndex: chemical database substances CAS Search; suppliers "Chemindex". Clival Database Clinical Trail Database Clinical Trail Data Solutions 50,000 molecules clinical trail data Phase 0 to IV indications "clival". CMNPD Comprehensive Marine Natural Products Database ...
2 h 2 o → 2 h 2 + o 2 More than 200 thermochemical cycles can be used for water splitting . Many of these cycles such as the iron oxide cycle , cerium(IV) oxide–cerium(III) oxide cycle , zinc zinc-oxide cycle , sulfur-iodine cycle , copper-chlorine cycle and hybrid sulfur cycle have been evaluated for their commercial potential to produce ...
The peak cross section for ionization for high speed protons is 70 000 eV with a cross section of 2.5 × 10 −16 cm 2. A cosmic ray proton at lower energy can also strip an electron off a neutral hydrogen molecule to form a neutral hydrogen atom and the dihydrogen cation, ( p + + H 2 H + H 2 + {\displaystyle {\ce {\\p^+ + H2 -> H + H2 ...
Hydrogen telluride is the inorganic compound with the formula H 2 Te.A hydrogen chalcogenide and the simplest hydride of tellurium, it is a colorless gas.Although unstable in ambient air, the gas can exist long enough to be readily detected by the odour of rotting garlic at extremely low concentrations; or by the revolting odour of rotting leeks at somewhat higher concentrations.
Mercury(II) chloride (or mercury bichloride [citation needed], mercury dichloride), historically also known as sulema or corrosive sublimate, [2] is the inorganic chemical compound of mercury and chlorine with the formula HgCl 2, used as a laboratory reagent. It is a white crystalline solid and a molecular compound that is very toxic to humans.
An often studied dihydrogen complex of iron, [HFe(H 2)(dppe) 2] +.. The usual method for characterization is 1 H NMR spectroscopy.The magnitude of spin–spin coupling, J HD, is a useful indicator of the strength of the bond between the hydrogen and deuterium in HD complexes.
The standard Gibbs free energy of formation (G f °) of a compound is the change of Gibbs free energy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the most stable form of the element at 1 bar of pressure and the specified temperature, usually 298.15 K or 25 °C).