- standard formation heat
- стандартная теплота образования
English-russian dictionary of physics. 2013.
standard formation heat
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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
Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud … Wikipedia
Standard molar entropy — In chemistry, the standard molar entropy is the entropy content of one mole of substance, under standard conditions (not standard temperature and pressure STP).The standard molar entropy is usually given the symbol S o, and the units joules per… … Wikipedia
heat of formation — noun the heat evolved or absorbed during the formation of one mole of a substance from its component elements (Freq. 2) • Hypernyms: ↑heat, ↑heat energy * * * : the heat of reaction resulting from the formation of a compound by direct union of… … Useful english dictionary
Heat of combustion — The heat of combustion (ΔHc0) is the energy released as heat when a compound undergoes complete combustion with oxygen under standard conditions. The chemical reaction is typically a hydrocarbon reacting with oxygen to form carbon dioxide, water… … Wikipedia
Heat capacities of the elements (data page) — … Wikipedia
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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
reaction, heat of — Amount of heat that must be added or removed during a chemical reaction to keep all substances involved at the same temperature. If it is positive (heat must be added), the reaction is endothermic; if it is negative (heat is given off), the… … Universalium
Geothermal heat pump — A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth s ability to store heat in the ground and water thermal masses. These systems operate based on the stability of underground temperatures: the ground… … Wikipedia
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