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Moderate

Energy Transfer for a System

APCHEM-L7ZXJU

Calorimetry can be used to measure the flow of heat between two or more substances.

Which of the following is NOT an appropriate description of an energy transfer?

A

Energy change of a process is proportional only to the type of substance undergoing the process.

B

Heat capacities are measured based on a per gram or per mole basis.

C

Enthalpies of fusion or vaporization are used for physical transformations.

D

Enthalpies of reaction are used for chemical transformations.