Endothermic vs Exothermic

Front

What is an endothermic reaction?

Back

A chemical reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

A chemical reaction that releases heat to its surroundings.

Front

In an endothermic reaction, heat is...

Back

taken in or absorbed.

Front

In an exothermic reaction, heat is...

Back

given out or released.

Front

Do reactants in an endothermic reaction have higher or lower energy than the products?

Back

Lower energy than the products.

Front

What instrument would you use to detect an endothermic or exothermic reaction?

Back

Thermometer.

Front

If a chemical reaction is exothermic, the temperature would...

Back

Increase.

Front

During an endothermic reaction, heat is ________ and chemical bonds _______.

Back

absorbed, broken.

Front

During an exothermic reaction, heat is ________ and chemical bonds _______.

Back

released, formed.

Front

What is the energy change in an endothermic reaction?

Back

The system absorbs energy, resulting in a decrease in temperature of the surroundings.