Energy Changes

Question 1

Give an example of an everyday use of an exothermic reaction

Answer 1

Using matches

Question 2

Give an example of an everyday use of an endothermic reaction

Answer 2

Using cold packs for sport injuries

Question 3

Describe the reaction profile of an endothermic reaction

Answer 3

Products have more energy than the reactants as energy has come into the chemical reaction

Question 4

Describe the energy profile of an exothermic reaction

Answer 4

The products have less energy than the reactants as energy has left the reaction