thermochemistry
ther·mo·chem·is·try
noun \ˌthər-mō-ˈkem-ə-strē\plural ther·mo·chem·is·tries
Definition of THERMOCHEMISTRY
: a branch of chemistry that deals with the interrelation of heat with chemical reaction or physical change of state
—ther·mo·chem·i·cal \-ˈkem-i-kəl\ adjective
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