Meaning & use
thermochemistry
The branch of chemistry that studies the heat energy released or absorbed during chemical reactions.
See it in a sentence
Thermochemistry explains why burning fuel releases so much heat energy so quickly.
In thermochemistry class, students measured the temperature change produced by mixing two chemicals.
A note on using this word
Thermochemistry is a subfield of physical chemistry and relies heavily on the concept of enthalpy to measure heat changes.
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