Exothermic and Endothermic Reactions

• Endothermic

• Exothermic

Combustion is an __________ reaction

• Exothermic

• Endothermic

Oxidation (rusting) is an exothermic reaction, what do I mean by exothermic?

• Heat enters the reaction from the surroundings

• Heat exits the reaction to the surroundings

When people get injured in sport cool packs are provided. Cool packs are an example of what type of reaction?

• Endothermic

• Exothermic

Self heating cans were very popular in the UK in the late 1990s. The reaction between Water and Calcium Oxide resulted in Calcium Hydroxide and heat being produced. What type of reaction is this?

• Exothermic

• Endothermic

During a thermal decomposition reaction the temperature decreased, this is an example of what kind of reaction?

• Endothermic

• Exothermic

What is meant by an endothermic reaction?

• Heat exits the reaction to the surroundings

• Heat enters the reaction to the surroundings

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

• Increases

• Decreases

• Stays the same

• Explodes

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

• Stays the same

• Increases

• Decreases

• Explodes

Hand warmers are an example of what kind of reaction?

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