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Enthalpy of atomization is the amount of enthalpy change when bonds of the compound are broken and the component atoms are separated into single atoms ( or monoatom). Enthalpy of atomization is denoted by the symbol ΔH at. The enthalpy change of atomization of gaseous H 2 O is, for example, the sum of the HO–H and H–OH bond dissociation ...
may be considered as the sum of several steps, each with its own enthalpy (or energy, approximately): H sub, the standard enthalpy of atomization (or sublimation) of solid lithium. IE Li, the first ionization energy of gaseous lithium. B(F–F), the standard enthalpy of atomization (or bond energy) of fluorine gas.
Enthalpy of hydrogenation - is defined as the enthalpy change observed in a constituent of a thermodynamic system when one mole of an unsaturated compound reacts completely with an excess of hydrogen to form a saturated compound. Enthalpy of atomization - is defined as the enthalpy change required to separate one mole of a substance into its ...
adiabat - adiabatic - average bond enthalpy - Boltzmann constant - Boltzmann equation - bond energy - bond enthalpy - calorie - calorimeter - calorimetry - empirical temperature - endothermic - energy - enthalpy - enthalpy of atomization - enthalpy of combustion - enthalpy of fusion - enthalpy of hydration - enthalpy of reaction - enthalpy of ...
Enthalpy, heat content and heat capacity [ edit ] It is very difficult to measure the absolute amount of any thermodynamic quantity involving the internal energy (e.g. enthalpy ), since the internal energy of a substance can take many forms, each of which has its own typical temperature at which it begins to become important in thermodynamic ...
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J.A. Dean (ed), Lange's Handbook of Chemistry (15th Edition), McGraw-Hill, 1999; Section 6, Thermodynamic Properties; Table 6.4, Heats of Fusion, Vaporization, and Sublimation and Specific Heat at Various Temperatures of the Elements and Inorganic Compounds
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