The stoichiometric uniqueness of multiple chemical reaction systems in chemical thermodynamics, kinetics and catalysis – contributions of professor Ilie Fishtik
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2023-09-28 08:57
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544.3+544.4+546 (1)
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POVAR, Igor. The stoichiometric uniqueness of multiple chemical reaction systems in chemical thermodynamics, kinetics and catalysis – contributions of professor Ilie Fishtik. In: Chemistry Journal of Moldova, 2020, nr. 2(15), pp. 7-28. ISSN 1857-1727. DOI: https://doi.org/10.19261/cjm.2020.803
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Chemistry Journal of Moldova
Numărul 2(15) / 2020 / ISSN 1857-1727 /ISSNe 2345-1688

The stoichiometric uniqueness of multiple chemical reaction systems in chemical thermodynamics, kinetics and catalysis – contributions of professor Ilie Fishtik

DOI: https://doi.org/10.19261/cjm.2020.803
CZU: 544.3+544.4+546

Pag. 7-28

Povar Igor
 
Institute of Chemistry
 
Disponibil în IBN: 29 decembrie 2020


Rezumat

The main scientific achievements of great significance accomplished by Professor Ilie Fishtik at the University of Iowa and the Worcester Polytechnic Institute, in several fields of the physical chemistry as chemical thermodynamics, kinetics and heterogeneous catalysis were revealed and briefly analyzed. Fundamental equations of chemical thermodynamics within the De Donder (stoichiometric) approach were reformulated in terms of a special class of chemical reactions, called as response reactions. Using this approach, the unusual behavior of chemical equilibrium systems, to interpret the apparent contradictions to Le Chatelier principle and to discover hitherto unnoticed thermodynamic identities, was rationalized. The stabilities of chemical species were formulated in terms of a certain class of stoichiometrically unique chemical reactions and their thermochemical characteristics. A completely new approach for the generation and simplification of kinetic mechanisms for complex reaction systems was developed and applied. Based on a new type of reaction networks, referred to as reaction route graphs, a systematic method of analysis and reduction of a microkinetic mechanism was established and employed.

Cuvinte-cheie
response reaction, chemical thermodynamics, kinetics, heterogeneous catalysis, Stoichiometry