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What is activation energy?

Question asked by: knowitall

This is a term from the science of chemistry, and simply referred to the amount of energy that needs to be an input into a system of chemicals for a particular chemical reaction to occur. Some elements or compounds react merely by being in each others presence - e.g. sodium and water - but for others, energy is needed to be input to start a reaction. This is called the activation energy.

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energy  activation  

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