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Energy Changes in Chemical Reactions

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Questions and Answers

Which type of reactions involve the release of energy?

Reactions where bonds are broken

Exothermic reactions (correct)

Endothermic reactions

Reactions where energy is taken in

What happens to the total energy in an endothermic reaction?

Decreases

Remains the same (correct)

Can't be determined

Increases

Which statement is true about breaking bonds in a chemical reaction?

Is characteristic of exothermic reactions

Takes in energy (correct)

Releases energy

Leads to a decrease in total energy

What is the main form of energy involved in chemical reactions?

Heat energy (A) Signup and view all the answers

Which group includes reactions where products have higher energy than reactants?

Endothermic reactions (D) Signup and view all the answers

In an exothermic reaction, what happens to the total energy during the reaction?

Remains the same (B) Signup and view all the answers

Energy Changes in Chemical Reactions

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Podcast

Questions and Answers

Which type of reactions involve the release of energy?

What happens to the total energy in an endothermic reaction?

Which statement is true about breaking bonds in a chemical reaction?

What is the main form of energy involved in chemical reactions?

Which group includes reactions where products have higher energy than reactants?

In an exothermic reaction, what happens to the total energy during the reaction?

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