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The enthalpy

См. также в других словарях:

  • Enthalpy of vaporization — The enthalpy of vaporization, (symbol Delta{} {v}H), also known as the heat of vaporization or heat of evaporation, is the energy required to transform a given quantity of a substance into a gas. It is measured at the normal boiling point of the… …   Wikipedia

  • Enthalpy–entropy chart — The Mollier Enthalpy Entropy Diagram for water and steam. The dryness fraction , x, gives the fraction by mass of gaseous water in the wet region, the remainder being droplets of liquid. An enthalpy–entropy chart, also known as the h–s chart or… …   Wikipedia

  • Enthalpy of atomization — The enthalpy of atomization (also standard enthalpy of atomisation UK spelling) is the enthalpy change that accompanies the total separation of all atoms in a chemical substance (either a chemical element or a chemical compound). This is often… …   Wikipedia

  • Enthalpy change of solution — The enthalpy of solution (or enthalpy of dissolution) is the enthalpy change associated with the dissolution of a substance in a solvent at constant pressure. The heat of solution is one of the three dimensions of solubility analysis. It is most… …   Wikipedia

  • Enthalpy of fusion — The standard enthalpy of fusion (symbol: Delta{}H {fus}), also known as the heat of fusion or specific melting heat, is the amount of thermal energy which must be absorbed or evolved for 1 mole of a substance to change states from a solid to a… …   Wikipedia

  • Enthalpy — Thermodynamics …   Wikipedia

  • Enthalpy-entropy compensation — When a chemical reaction exhibits a linear relationship between enthalpy and entropy, one might observe what is known as an Enthalpy Entropy Compensation, where the magnitude of change in the Gibbs free energy is less than one might expect.… …   Wikipedia

  • enthalpy — /en thal pee, en thal /, n., pl. enthalpies. Thermodynamics. a quantity associated with a thermodynamic system, expressed as the internal energy of a system plus the product of the pressure and volume of the system, having the property that… …   Universalium

  • enthalpy — [en thal′pē, en′thəl pē] n. [Gr enthalpein, to warm in (< en , EN 2 < en, IN1 + thalpein, to heat) + Y4] a measure of the energy content of a system per unit mass …   English World dictionary

  • 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

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