Definition of Heat of formation

1. Noun. The heat evolved or absorbed during the formation of one mole of a substance from its component elements.

Generic synonyms: Heat, Heat Energy



Medical Definition of Heat of formation

1. The heat (expressed in calories or joules) absorbed or liberated during the (hypothetical) reaction in which a mole of a compound is formed from the necessary elements, in elemental form. (05 Mar 2000)

Heat Of Formation Pictures

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Lexicographical Neighbors of Heat Of Formation

heat index
heat indices
heat instability test
heat intolerance
heat lamp
heat lightning
heat map
heat maps
heat oedema
heat of combustion
heat of compression
heat of condensation
heat of crystallization
heat of dissociation
heat of evaporation
heat of formation (current term)
heat of fusion
heat of hydration
heat of solidification
heat of solution
heat of sublimation
heat of transformation
heat of vaporisation
heat of vaporization
heat prostration
heat pump
heat pumps
heat rash
heat rate
heat ray

Literary usage of Heat of formation

Below you will find example usage of this term as found in modern and/or classical literature:

1. Elements of the Comparative Anatomy of Vertebrates by Gustav Mann, Walther Löb, Henry William Frederic Lorenz, Robert Wiedersheim, William Newton Parker, Thomas Jeffery Parker, Harry Clary Jones, Sunao Tawara, Leverett White Brownell, Max Julius Louis Le Blanc, Willis Rodney Whitney, John Wesley Brown, Wi (1907)
"The heat of formation of a compound is, then, the amount of heat set free or ... In such cases an indirect method of determining the heat of formation must ..."

2. Journal of the American Chemical Society by American Chemical Society (1914)
"The heats of formation are small compared with the heats of solution of the salts in water and the heat of formation of the $ crystals is positive while ..."

3. Organic Chemistry for Advanced Students by Julius Berend Cohen (1918)
"Heat of Formation. It is customary for some observers to give in addition to the heat of combustion a number termed heat of formation. ..."

4. The Chemical News and Journal of Industrial Science (1908)
"The molecular heat of formation constant corresponding to ш is :— ш' — the algebraic sum of the following heats — (i.) due to the decomposition of a ..."

5. The Encyclopedia Americana: A Library of Universal Knowledge (1920)
"In general, any given substance may be prepared in various ways, from different materials or constituents ; and in such cases the heat of formation will be ..."

6. A Dictionary of Applied Chemistry by Thomas Edward Thorpe (1912)
"The heat of formation of these compounds is an index to their stability, and may be taken as a measure of the energy requisite for the isolation of the ..."

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