formation enthalpy

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• Enthalpy — Thermodynamics …   Wikipedia

• Standard enthalpy change of formation — The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy that accompanies the formation of 1 mole of a substance in its standard state from its constituent elements in their standard states (the… …   Wikipedia

• Standard enthalpy change of reaction — The standard enthalpy change of reaction (denoted ΔH ° or ΔH o) is the enthalpy change that occurs in a system when one mole of matter is transformed by a chemical reaction under standard conditions. For a generic chemical reaction:nA A + nB B + …   Wikipedia

• Standard enthalpy change of formation (data table) — These tables include heat of formation data gathered from a variety of sources, including the primary and secondary literature, as well as the NIST Chemistry WebBook. Note that the table for Alkanes contains ΔHfo values in kcal/mol, and the table …   Wikipedia

• Thermodynamic databases for pure substances — Thermodynamic databases contain information about thermodynamic properties for substances, the most important being enthalpy, entropy, and Gibbs free energy. Numerical values of these thermodynamic properties are collected as tables or are… …   Wikipedia

• Boudouard reaction — The Boudouard reaction is the redox reaction of a chemical equilibrium mixture of carbon monoxide and carbon dioxide at a given temperature. It is the disproportionation of carbon monoxide into carbon dioxide and graphite or its reverse::2CO… …   Wikipedia

• Thermochemistry — For other uses, see Chemical thermodynamics. Thermochemistry is the study of the energy and heat associated with chemical reactions and/or physical transformations. A reaction may release or absorb energy, and a phase change may do the same, such …   Wikipedia

• Born-Haber cycle — The Born Haber cycle is an approach to analyzing reaction energies. It was named after and developed by the two German scientists Max Born and Fritz Haber.The Born Haber cycle involves the formation of an ionic compound from the reaction of a… …   Wikipedia

• Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

• liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …   Universalium

• Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia