Author: Matti Savolainen
Publisher:
ISBN:
Category :
Languages : de
Pages : 14

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Author: Matti Savolainen
Publisher:
ISBN:
Category :
Languages : en
Pages : 14

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Author: Matti Savolainen (Chemist)
Publisher:
ISBN:
Category : Alcohols
Languages : en
Pages : 14

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Author: Eero Tommila
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Spencer Ward Prentiss
Publisher:
ISBN:
Category :
Languages : en
Pages : 216

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Author: Eero Tommila
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Edward Amis
Publisher: Elsevier
ISBN: 0323148522
Category : Science
Languages : en
Pages : 487

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Book Description
Solvent Effects on Chemical Phenomena, Volume I discusses the developments in the understanding of solvent effects on chemical phenomena in solution. This five-chapter volume begins with a discussion on the general concepts of various solvation types, including positive and negative, inner and outer sphere, and mixed component. The subsequent chapter deals with the determination of the actual solvation number for single ions. A short list of the total effective hydration numbers of electrolytes determined from temperature dependence of proton shifts is also provided in this chapter. Another chapter presents a number of examples of the unusual properties of certain mixed aqueous systems. The solvent effects on reaction rates and mechanisms are highlighted in the concluding chapter. This chapter also covers various types of solvents, such as protic and dipolar aprotic. The enthalpy and entropy of activation in salvation and the Finkelstein reactions are also discussed. Research chemists and scientists, teachers, and students with courses in solution chemistry will greatly benefit from this volume.

Author: Edward Stephen Amis
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 352

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Book Description
"Solvent Effects on Reaction Ratyes and mechanisms" is a title that will conjure up visions of different things to different investigators in the field of reaction kinetics. The physical chemist will envision the effects on rates of reactions of dieelectric constant, viscosity, internal cohesion, and externaL pressure as these are iinfluenced by the solvent. The physical-organic chemist will perhaps call to mind acidity, basicity, hydrogen bonding, structure effects, electro-negativity, and solvating ability as related to the solvent. The stricly organic chemist may simplyt think in terms of a medium in which reactants can be made to form products merely because of solubility relations, and his choice of solvent may depend on the ease of obtaining in a reasonable length of time a relatively pure product by extraction or other procedures. And, in fact, the topic includes all these and much more. Some of the phenomena are merely recorded as experimental observations. Some factors are subject to theoretical explanation, but even when theoretically explained or mathematically formulated they may not be sufficiently dominant ti justify the applicaton of the theory. Other effects may not be subject to theoretical explanations but may be included in correlations that are widely applicable. The explanation of some effects may be purely conjectural, but at least give some satisfaction to the seekers of the answer to the question, why? The material presented in the following pages will run the gamut of all the above possibilities.

Author: Orlando Tapia
Publisher: Springer Science & Business Media
ISBN: 0306469316
Category : Science
Languages : en
Pages : 383

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Book Description
This book gathers original contributions from a selected group of distinguished researchers that are actively working in the theory and practical applications of solvent effects and chemical reactions. The importance of getting a good understanding of surrounding media effects on chemical reacting system is difficult to overestimate. Applications go from condensed phase chemistry, biochemical reactions in vitro to biological systems in vivo. Catalysis is a phenomenon produced by a particular system interacting with the reacting subsystem. The result may be an increment of the chemical rate or sometimes a decreased one. At the bottom, catalytic sources can be characterized as a special kind of surrounding medium effect. The materials involving in catalysis may range from inorganic components as in zeolites, homogenous components, enzymes, catalytic antibodies, and ceramic materials. . With the enormous progress achieved by computing technology, an increasing number of models and phenomenological approaches are being used to describe the effects of a given surrounding medium on the electronic properties of selected subsystem. A number of quantum chemical methods and programs, currently applied to calculate in vacuum systems, have been supplemented with a variety of model representations. With the increasing number of methodologies applied to this important field, it is becoming more and more difficult for non-specialist to cope with theoretical developments and extended applications. For this and other reasons, it is was deemed timely to produce a book where methodology and applications were analyzed and reviewed by leading experts in the field.