Write the steps of 'Modern Adsorption Theory of Heterogenous Catalysis'

Explanation

### Steps of Modern Adsorption Theory of Heterogeneous Catalysis

1. **Diffusion of Reactant Molecule to Catalyst Surface**:
The reactant molecules in the gas or liquid phase diffuse towards the surface of the catalyst. This step is crucial as it determines the availability of reactants for the catalytic reaction.

2. **Adsorption of Reactant Molecule on Catalyst Surface**:
Once the reactant molecules reach the catalyst surface, they adhere to it through physical or chemical adsorption. This step is essential for the reactants to be activated for the subsequent reaction.

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