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← ScienceWhich outcome occurs when the activation energy considerably decreases?
A)Equilibrium shifts; reactants favor products
B)Catalyst weakens substrate binding affinity
C)Reaction rate increases exponentially✓
D)Enthalpy increases; more kinetic energy
💡 Explanation
A decreased activation energy increases reaction rates exponentially because it lowers the energy barrier for reactant molecules via the Arrhenius equation 'rate = Ae^(-Ea/RT)'; therefore the reaction accelerates, rather than altering the equilibrium, due to catalyst use.
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