2023 Exothermic and Endothermic Reactions

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.

Front

Is photosynthesis an exothermic or endothermic reaction?

Back

Endothermic.

Front

In an endothermic reaction, heat is...

Back

taken in/absorbed.

Front

When iron nails get rusty, what type of reaction occurs?

Back

Exothermic.

Front

What happens to energy in an exothermic reaction?

Back

Energy is released.

Front

What happens to energy in an endothermic reaction?

Back

Energy is absorbed.

Front

Give an example of an exothermic reaction.

Back

Combustion of fuels, such as burning wood or gasoline.

Front

Give an example of an endothermic reaction.

Back

Photosynthesis, where plants absorb sunlight to convert carbon dioxide and water into glucose.

Front

What is the general equation for an endothermic reaction?

Back

Reactants + Energy → Products.