What is calorimetry used for?

What is calorimetry used for?

Calorimetry is the science or act of measuring changes in state variables of a body for the purpose of deriving the heat transfer associated with changes of its state due, for example, to chemical reactions, physical changes, or phase transitions under specified constraints. Calorimetry is performed with a calorimeter.

What is indirect calorimetry used for?

Indirect calorimetry (a type of whole body calorimetry where all gas consumption and gas exhalation are continuously monitored) can be used to determine energy expenditure through the use of equations relating total O2 consumption, CO2 expiration, and urinary nitrogen excretion to energy utilization.

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