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Exothermic reaction

2:23

Highly Exothermic Reaction of Aluminum and Iodine

3:10

Exothermic Reactions Explained

2:41

Endothermic reaction: very, VERY cool.

3:21

How to create an exothermic reaction? | Live Experiments (Ep 40) | Head Squeeze

1:17

EXOTHERMIC REACTION: Steel Wool + Vinegar = HEAT

An exothermic reaction is a chemical reaction that releases energy by light or heat. It is the opposite of an endothermic reaction.