2023 Exothermic and Endothermic Reactions

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases energy in the form of heat or light.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

Is respiration an exothermic or endothermic reaction?

Back

Respiration is an exothermic reaction.

Front

Is photosynthesis an exothermic or endothermic reaction?

Back

Photosynthesis is an endothermic reaction.

Front

What happens to energy during an exothermic reaction?

Back

Energy is released during an exothermic reaction.

Front

What happens to energy during an endothermic reaction?

Back

Energy is absorbed during an endothermic reaction.

Front

Give an example of an exothermic reaction.

Back

Combustion of gasoline is an example of an exothermic reaction.

Front

Give an example of an endothermic reaction.

Back

Photosynthesis is an example of an endothermic reaction.

Front

What is the main difference between exothermic and endothermic reactions?

Back

The main difference is that exothermic reactions release energy, while endothermic reactions absorb energy.

Front

What type of reaction is the combustion of fuels?

Back

The combustion of fuels is an exothermic reaction.