Unit 5 - Endo and Exothermic Reactions

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat, causing the temperature of the surroundings to increase.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat, causing the temperature of the surroundings to decrease.

Front

What happens to the temperature of the surroundings in an exothermic reaction?

Back

The temperature of the surroundings increases.

Front

What happens to the temperature of the surroundings in an endothermic reaction?

Back

The temperature of the surroundings decreases.

Front

What does the prefix 'exo' mean?

Back

The prefix 'exo' means 'out' or 'released'.

Front

What does the prefix 'endo' mean?

Back

The prefix 'endo' means 'in' or '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 in plants, where they absorb sunlight to convert carbon dioxide and water into glucose.

Front

How can you tell if a reaction is exothermic based on temperature change?

Back

If the temperature of the surroundings increases, the reaction is exothermic.

Front

How can you tell if a reaction is endothermic based on temperature change?

Back

If the temperature of the surroundings decreases, the reaction is endothermic.