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Activation Energy
Minimum energy that colliding entities must have to react; not dependent on reaction rate
Activated complex
Chemical entity containing the collided reactants; occurs at the max potential energy point
Ozone
O3; Protects us from UVC and UVB radiation
UVC
Light splitting oxygen molecules
UVB
Photolysis; O-O bond in ozone molecule is split by sunlight
Bond energy
Energy required to break a chemical bond, energy released when a bond is formed
ΔH
Energy difference of reactants VS products
Ea
Energy difference from reactants to activated complex
Reaction Mechanism
Individual reaction steps, with intermediates formed during the reaction
Inhibitor
Prevents reactions
Catalyst
Increases rate of reaction by decreasing activation energy, is not consumed
Rate determining step
Requires most activation energy, slowest, lowest collision probability
Reaction intermediate
Produces and consumed immediately
Note 
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