Question 8 of 25 Which sentence describes the energy changes that occur when a chemical reaction happens?
A. Energy is absorbed to break bonds in the reactants and released
when the bonds in the products form.
B. Energy is released to break bonds in the reactants and absorbed
when the bonds in the products form.
C. Energy is released when bonds in the reactants break and when
bonds in the products form.
D. Energy is absorbed to break bonds in the reactants and to form
bonds in the products,
SUBMIT

AnswerA. Energy is absorbed to break bonds in the reactants and released

when the bonds in the products form.

Explanation In endothermic reactions, more energy is absorbed when the bonds in the reactants are broken than is released when new bonds are formed in the products.

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characteristics of hydrocarbons