Chemical kinetics: fundamentals and new developments by Evgeniĭ Timofeevich Denisov, Oleg M. Sarkisov, Gert︠s︡ Ilʹich

By Evgeniĭ Timofeevich Denisov, Oleg M. Sarkisov, Gert︠s︡ Ilʹich Likhtenshteĭn

Accomplished handbook embracing primarily the entire classical and glossy parts of chemical kinetics. presents information of recent purposes in chemistry, know-how and biochemistry.Special sections of the booklet deal with topics now not coated sufficiently in different manuals, together with: smooth tools of experimental decision of fee constants of reactions together with laser pico- and femtochemistry, magnetochemistry, and ESR; and outlines of complex theories of straightforward chemical methods. - entire guide protecting virtually all parts of chemical kinetics, either classical and sleek. - sufficient assurance given to subject matters now not lined sufficiently via different works. - Covers basics and up to date advancements in homogeneous catalysis and its modeling from a chemical kinetics viewpoint.

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Extra resources for Chemical kinetics: fundamentals and new developments

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A reverse process corresponds to each of these processes. Cross sections and rate constants of forward and reverse elementary processes are mutually related. This relationship is determined by the laws of conservation of energy and total angular moment. General statements and definitions 33 Process 3 is the most general type of an elementary process for the collision of heavy particles because it is accompanied by the simultaneous redistribution of atoms and energies of internal and translational motions.

40) expresses the principle o f detailed balancing for microscopic processes. 4~) Theory of elementary reactions 34 where [Ai], [Bj], and products. 42) The next step is the application of the principle of detailed balancing to partially microscopic or "equilibrium" reactions. In the general case, we have to know distribution functions for various degrees of freedom. This implies that microscopic energy exchange process should be taken into account along with reactions at the microscopic level. Nevertheless, we always can speculatively assume that the addition of some efficient and selective relaxing agents to the system results in the fact that the Boltzmann distribution over these or other degrees of freedom is established much more rapidly than the chemical equilibrium.

Recently, a possibility of the exact division of the Hamiltonian of the N-atomic system is used in the method of diatomic fragments in molecules. 52) K where /-f~) and /_~K) are the Hamiltonians of isolated diatomic and atomic fragments. This division makes it possible to choose the basis set of polyatomic functions ~m in such a way that q~mare the eigenfunctions the H operator in he asymptotic regions of the R ' values and simultaneously the eigenfunctions of the/_~r~) and/-t K) operators already in the whole region of the R values.

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