Enthalpy

usgb/ˈɛnθəlpi/
noun

Enthalpy is a measurement of the amount of energy a thermodynamic system can exchange with its surroundings.

In a chemical reaction, the change in enthalpy can indicate whether the reaction releases or absorbs heat.
Visual representation of "enthalpy" - Enthalpy is a measurement of the amount of energy a thermodynamic system can exchange with its surroundings.

Usage tips

Formal

enthalpy change,standard enthalpy,enthalpy of formation

Definition 1 of 2
Visual representation of "enthalpy"
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Scientific Context

Enthalpy should be used in contexts relating to thermodynamics and energy exchanges.

Illustration for Scientific Context
In engineering thermodynamics, understanding enthalpy is crucial for designing thermal systems.
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Formal Usage

The word is used in formal discussions of energy transfer, ensuring precision and clarity.

Illustration for Formal Usage
In academic papers on chemistry, enthalpy should be accurately defined to reflect its parameters.
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Common Misconceptions

Many confuse enthalpy with internal energy; however, enthalpy includes pressure-volume work as well.

Illustration for Common Misconceptions
Clarifying that enthalpy accounts for energy changes at constant pressure is key in studies.
Visual representation of the word "Enthalpy"

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