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.
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
