Topical Terminology > Activation Energy
Activation Energy
For Activation Energy we have terms and definitions in 3 topics. The topics are Atmospheric Chemistry, Energy and Microbiology.
Activation Energy (Atmospheric Chemistry) 
The energy barrier that must be overcome during a collision of two potential reactants in order for a reaction to occur.
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Activation Energy (Energy)
Activation energy of a reaction is the amount of energy needed to start the reaction.
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Activation Energy (Microbiology)
Energy required to make substrate molecules active enough for a reaction to occur. Catalysts and enzymes function by lowering the activation energy of the substrates during a chemical reaction.
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