Endothermic vs Exothermic

Front

What is an endothermic reaction?

Back

A reaction that absorbs energy from its surroundings, usually in the form of heat.

Front

What is an exothermic reaction?

Back

A reaction that releases energy to its surroundings, usually in the form of heat.

Front

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

Back

The temperature of the surroundings decreases.

Front

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

Back

The temperature of the surroundings increases.

Front

What is potential energy?

Back

Energy stored in an object due to its position or arrangement.

Front

What is kinetic energy?

Back

Energy of an object due to its motion.

Front

In an exothermic reaction, do the reactants or products have higher energy?

Back

The reactants have higher energy than the products.

Front

In an endothermic reaction, do the reactants or products have higher energy?

Back

The products have higher energy than the reactants.

Front

What is the role of activation energy in chemical reactions?

Back

It is the minimum energy required to initiate a chemical reaction.

Front

What is a common example of an exothermic reaction?

Back

Combustion of fuels, such as burning wood or gasoline.