AP Chemistryeasymcq1 pt
An exothermic reaction is one that:
A.Absorbs heat from the surroundings
B.Releases heat to the surroundings
C.Has a positive ΔH
D.Requires a catalyst to proceed
Explanation
Core Concept
Exothermic reactions release energy (heat) to the surroundings, resulting in a negative ΔH value. Endothermic reactions absorb heat and have positive ΔH.
Correct Answer
BReleases heat to the surroundings
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