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Chemistry · L4 · Reaction energy profile: activation energy and catalysis

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Reaction energy profile showing activation energy, transition state, and the effect of a catalyst.

by @openstemUpdated Chemistry
Reactants(higher energy forendothermic rxn)Transition state(energy maximum)Products(lower energy forexothermic rxn)Transition state(with catalyst)ΔH_rxn = H_products − H_reactants(negative for exothermic)Catalyst lowers Eabut does NOT changeΔH or equilibriumActivation energy Ea (uncatalysed)Reduced Ea (catalysed pathway)

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