The rate law is always the same with or without catalyst. The kinetic law for non-catalytic reactions is always different in the presence of a catalyst. The kinetic laws of catalytic reactions differ from non-catalytic reactions only when the catalyst is involved in the rate-limiting step.
Non-catalytic reactions proceed via a one-step mechanism (one transition state observed), whereas catalytic reactions follow a two-step mechanism, and the activation energy is significantly reduced. lower to
Catalysts are not consumed by reactions and can participate in multiple reactions at the same time. The only difference between catalytic and uncatalyzed reactions is the different activation energies. It has no effect on the energies of the reactants or products.
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