What is a Heterogeneous Catalyst?

Outlining what a heterogeneous catalyst (and heterogeneous catalysis) is. The stages of heterogeneous catalysis are shown - including diffusion of the reactants onto catalyst surface, absorption of reactants, reaction itself and desorption of products.
The contact process is used as an example to highlight how heterogeneous catalysis works..

FULL VIDEO LESSON ON CATALYSTS HERE:    • Catalysts and Homogeneous and Heterog...  

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