Endothermic and Exothermic Reactions-Levings

Front

What is an endothermic reaction?

Back

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

Front

What is an exothermic reaction?

Back

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

Front

Give an example of an endothermic process.

Back

Baking bread and cooking an egg are examples of endothermic processes.

Front

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

Back

The temperature of the surroundings increases.

Front

What instrument is commonly used to measure temperature changes in chemical reactions?

Back

A thermometer.

Front

What is the main characteristic of an endothermic reaction?

Back

It requires an input of heat.

Front

What is the main characteristic of an exothermic reaction?

Back

It releases heat.

Front

Why do sherbet sweets feel cold in your mouth?

Back

Because they undergo an endothermic reaction when they dissolve.

Front

What is the role of heat in an endothermic reaction?

Back

Heat is absorbed from the surroundings.

Front

What is the role of heat in an exothermic reaction?

Back

Heat is released into the surroundings.