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enthalpy

English

Etymology

From Ancient Greek ??????? (enthálp?, “to warm in”). Coined by Dutch physicist Heike Kamerlingh Onnes, but first used in print by J. P. Dalton in 1909 in a paper titled "Researches on the Joule-Kelvin-effect, especially at low temperatures".

Pronunciation

  • IPA(key): /??n.??l.pi?/

Noun

enthalpy (countable and uncountable, plural enthalpies)

  1. (physics, chemistry) In thermodynamics, a measure of the heat content of a chemical or physical system.
    H = U + p V {\displaystyle H=U+pV} , where H is enthalpy, U is internal energy, p is pressure, and V is volume.

Derived terms

Translations

See also

  • Gibbs free energy

enthalpy From the web:

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enthalpogram

English

Etymology

enthalpy +? -o- +? -gram

Noun

enthalpogram (plural enthalpograms)

  1. (chemistry, physics) A graph of enthalpy or temperature versus time during a reaction; especially one used in enthalpimetry.

Translations

enthalpogram From the web:

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