nounfemininepl: entalpias
entalpia
1. A thermodynamic quantity representing the total heat content of a system, equal to the internal energy plus the product of pressure and volume
The enthalpy change during a chemical reaction determines whether the reaction is endothermic or exothermic.
A mudança de entalpia durante uma reação química determina se a reação é endotérmica ou exotérmica.
2. In chemistry, the measure of energy released or absorbed when a substance undergoes a chemical reaction
Scientists calculated the enthalpy of combustion for the fuel sample.
Os cientistas calcularam a entalpia de combustão da amostra de combustível.
Enthalpy is a fundamental concept in thermodynamics education worldwide. It is taught identically in Brazilian and Portuguese universities as part of standard chemistry and physics curricula. The term is technical and scientific in nature, with no colloquial usage in either English or Portuguese-speaking regions.
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