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What is an exothermic chemical reaction?

a. It is a reaction that converts matter to heat.
b. It is a reaction that requires heat to proceed.
c. It is a reaction that draws heat from its surroundings.
d. It is a reaction that releases heat to its surroundings.

User Sudeep Cv
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1 Answer

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Exo, meaning "out-", thermic meaning heat or temperature
Outgoing heat or a release of energy in the form of heat or light
Reactant -> Product + Energy

Therefore, the answer is D, it is a reaction that releases heat to its surroundings
User Adalgisa
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