Several models are used to describe catalytic reactions, including:
Langmuir-Hinshelwood model: Assumes that both reactants adsorb on the catalyst surface before reacting. Eley-Rideal model: Assumes that one reactant is adsorbed on the surface, and the other reacts directly from the gas phase. Mars-van Krevelen model: Involves redox catalysts where the catalyst itself undergoes oxidation and reduction during the reaction.
