What term refers to the release of energy during a chemical reaction?

A) Exothermic
B) Endothermic
C) Heterogeneous
D) Immiscible


Answer: A
Explanation: A) Correct. Exothermic is a chemical reaction that releases energy in the form of heat.
B) Incorrect. Endothermic occurs when a chemical reaction required energy.
C) Incorrect. Heterogeneous has to do with matter with properties that are not the same throughout.
D) Incorrect. Immiscible has to do with liquids that do not form a homogeneous mixture when put together.

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