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The minimum amount of energy needed to initiate a chemical reaction.
The minimum amount of energy needed to initiate a chemical reaction. All reactions, even highly exothermic ones, require some energy to get them going. When particles collide they can only react successfully if they have at least the activation energy.
All reactions, even highly exothermic ones, require some energy to get them going. When particles collide they can only react successfully if they have at least the activation energy.