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An increase or decrease in energy during a chemical reaction is called _____.

a
Exothermic
b
Entropy
c
Endothermic
d
Enthalpy

1 Answer

3 votes

Answer: exothermic

Explanation:In exothermic reactions, more energy is released when the bonds are formed in the products than is used to break the bonds in the reactants. Chemical reactions that absorb (or use) energy are called endothermic.

User Hossein Mohammadi
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