Question

(07.01 LC)
Which of the following happens during an exothermic chemical change? (4 points)
Net energy increases.
Heat is absorbed.
Net energy remains constant.
Heat is released.

Answer 1

Answer:

heat is released

Explanation:

there is a release of energy to the surroundings resulting in a net decrease

Answer 2

Heat is released during an exothermic chemical change. Hence, option D is correct.

What is an exothermic reaction?

The process in which energy is released where bonds are broken is an exothermic reaction.

For example, combustion is an exothermic reaction where initially energy input along with oxygen and wax react to give heat, carbon dioxide and water.

An exothermic reaction is a "reaction in which standard enthalpy change ΔH⚬ is negative." Exothermic reactions release heat and entail the replacement of weak bonds with a stronger bonds.

Learn more about the exothermic reaction here:

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