Energy Changes - exothermic and endothermic reactions

Front

Which reaction transfers energy to its surroundings - the temperature goes up?

Back

Exothermic

Front

Reaction profile diagram showing heat energy of reactants and products

Back

Exothermic

Front

Sports injury pack uses which type of reaction?

Back

An endothermic reaction

Front

Name the energy needed to start a reaction?

Back

Activation energy

Front

Higher only - Forming new bonds releases or takes in energy?

Back

Release energy - it is exothermic.

Front

Does the energy profile show an exothermic or endothermic reaction?

Back

Exothermic

Front

Exothermic or Endothermic?

Back

Endothermic.

Front

What happens to the temperature change in exothermic reactions

Back

Increases

Front

Give examples of how to reduce heat loss during an exothermic reaction

Back

Polystyrene cup, lid, wrap in insulating material.

Front

True or false?

Bond breaking is exothermic

Back

False