AnswersVJSHS - Chemistry Full YearUnit Test — Unit testQuestion 18
18
QuizMultiple Choice

Unit Test — Unit test

Question 18 • VJSHS - Chemistry (Full Year)

Which statement defines calorimetry?

Answer
A
the conservation of energy
B
a unit of energy that is used when calculating energy exchange
C
a device that is used to measure the heat that is gained or lost during a chemical change
D
the measurement of energy that is given off or absorbed in a physical or chemical process

Explanation

Calorimetry is the measurement of heat energy absorbed or released during a physical or chemical process. A calorimeter is the device used to make that measurement, so choice C describes the instrument rather than the process.

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