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Enthalpy is a measurement that combines a system's internal energy with the energy needed to make room for it at a given pressure and volume. Scientists use enthalpy to track energy changes in chemical, biological, and physical systems, especially when they occur at the constant atmospheric pressure of Earth's surface.

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Key facts

Physical quantity.name
Enthalpy
Physical quantity.unit
joule
Physical quantity.symbols
H
Physical quantity.baseunits
kg⋅m2⋅s−2

via Wikipedia infobox

Wikidata facts

Subclass of
energy
Show 7 more facts
topic's main category
Category:Enthalpy
Commons category
Enthalpy
different from
entropy
studied by
thermodynamics
maintained by WikiProject
WikiProject Mathematics
invariant under
isenthalpic process
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
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