Quick doubt about catalysis modeling

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SUMMARY

The discussion centers on the modeling of catalysis, specifically addressing the relationship between the partial pressure of oxygen (O2) raised to the (1/2) power and its role in forming PSO3. Participants express frustration over the lack of clarity in the explanations provided in the referenced book, particularly regarding the approximation methods used in chemical reactions. The conversation highlights the challenges of expressing pressures between reactants and products when they are raised to different exponents, emphasizing the need for better pedagogical approaches in chemical modeling.

PREREQUISITES
  • Understanding of chemical kinetics and catalysis
  • Familiarity with partial pressure concepts in gas reactions
  • Knowledge of reaction stoichiometry and equilibrium
  • Basic proficiency in mathematical modeling of chemical reactions
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  • Research the derivation of the rate laws in catalysis
  • Study the impact of partial pressures on reaction rates using the Arrhenius equation
  • Explore advanced chemical modeling software for reaction simulations
  • Learn about the significance of exponents in reaction mechanisms and their approximations
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Chemistry students, researchers in catalysis, and professionals involved in chemical engineering or reaction modeling will benefit from this discussion.

Est120
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reading J M Smith "Chemical engineering kinetics" there is a part in the book that i can't really understand
how does the partial pressure of oxygen (O2) that is raised to the (1/2) power "magically" combines to give PSO3? , i know that at constant Temperature you can pretty much express pressures between reactants and products using conversion but still you won't be able to factorize because they are raised to different exponent number, i think the author made an approximation but as usual they never explain anything, this book really sucks tbh lol
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