enthalpy: difference between revisions

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===Etymology===
From {{der|en|grc|ἐν-|t=in}} + {{m|grc|θάλπω|t=to warm}}. {{coin|en|nobycat=1|Heike Kamerlingh Onnes|nat=Dutch|occ=physicist}}, 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".
From {{etyl|grc|en}} {{term|ἐνθάλπω||to warm in|lang=grc}}.
 
===Pronunciation===
{{wikipedia}}
* {{IPA|en|/ˌenˈθalˈɛn.θəl.piː/|lang=en}}
* {{audio|en|en-us-enthalpy.ogg|Audio (US)|langa=enUS}}
 
===Noun===
{{en-noun|~|enthalpies}}
 
# {{contextlb|physics|lang=en|thermodynamics|physical chemistry}} In [[thermodynamics]], aA [[measure]] of the [[heat]] [[content]] of a [[chemical]] or [[physical]] [[system]].
#: <math> H = U + p V </math>, where ''H'' is '''enthalpy''', ''U'' is internal energy, ''p'' is pressure, and ''V'' is volume.
 
====Derived terms====
{{der2|en
|enthalpic
|enthalpy of vaporization
|enthalpogram
|enthalpimetry}}
 
====Translations====
{{trans-top|a measure of the heat content}}
* Basque: {{t|eu|entalpia}}
* Catalan: {{t|ca|entalpia|f}}
* Chinese:
*: Mandarin: {{t+|cmn|焓|tr=hán}}
* Danish: {{t|da|entalpi|c}}
* Esperanto: {{t|eo|entalpio}}
* Finnish: {{t+|fi|entalpia}}, {{t|fi|lämpösisältö}}
* French: {{t+|fr|enthalpie|f}}
* German: {{t+|de|Enthalpie|f}}
* Greek: {{t+|el|ενθαλπία|f|tr=enthalpía}}
* Hungarian: {{t+|hu|entalpia}}
* Indonesian: {{t+|id|entalpi}}
* Japanese: {{t+|ja|エンタルピー|tr=entarupī|sc=Jpan}}
* Kazakh: {{t|kk|энтальпия}}
* Khmer: {{t|km|អង់តាល់ពី}}
* Maori: {{t|mi|hāwera}}
* Norwegian: {{t+|no|entalpi}}
* Persian: {{t+|fa|آنتالپی|tr=ântâlpi}}
{{trans-mid}}
* Polish: {{t+|pl|entalpia|f}}, {{t|pl|zawartość cieplna|f}}
* Portuguese: {{t+|pt|entalpia|f}}
* Russian: {{t+|ru|энтальпияэнтальпи́я|f|tr=ental'píja}}
* Spanish: {{t+|es|entalpía|f}}
* Swedish: {{t+|sv|entalpi|c}}
* Tagalog: {{t|tl|sanginit}}
* Thai: {{t|th|เอนทาลปี}}, {{t|th|เอนทัลปี}}
* Turkish: {{t|tr|entalpi}}
* Vietnamese: {{t|vi|entanpi}}
{{trans-bottom}}
 
===See also===
* [[{{l|en|Gibbs free energy]]}}
 
[[Category:en:Energy]]
 
{{C|en|Energy|Physical quantities}}
[[ar:enthalpy]]
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[[ku:enthalpy]]
[[hu:enthalpy]]
[[ja:enthalpy]]
[[pl:enthalpy]]
[[fi:enthalpy]]
[[ta:enthalpy]]
[[tr:enthalpy]]
[[vi:enthalpy]]
[[zh:enthalpy]]