Application of Computer Simulation in the Teaching of BET Multimolecular Adsorption Theory in Physical Chemistry
The BET(Brunauer-Emmett-Teller)theory of multimolecular adsorption is abstract yet widely applicable,and its equation involves complex mathematical derivations that are often difficult for students to grasp.Consequently,students may struggle to correctly interpret adsorption-desorption isotherms and specific surface area data generated by automated specific surface analyzers,leading to unsatisfactory educational outcomes.This paper introduces the use of computer simulations to model the adsorption-desorption process of gas molecules on solid surfaces.By adjusting the adsorption-desorption constants,the simulations can generate Type Ⅰ,Ⅱ,and Ⅲ adsorption isotherms.The real-time visualization allows students to intuitively understand the dynamics of gas molecule adsorption and desorption on solid surfaces,thereby enhancing their comprehension of BET theory.The incorporation of computer simulation into teaching not only enlivens the classroom environment but also fosters an interactive teaching-learning experience,stimulating students'curiosity and research interest while improving the overall quality of education.
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