Download or read book Ultrasonic Relaxation in Electrolytic Solutions Ii the Hydrolysis of Potassium Cyanide written by JOHN. STUEHR and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: The kinetics of the hydrolysis of the cyanide ion have been studied by ultrasonic absorption measurements over the frequency range 30 kc to 25 mc. A single relaxation frequency has been observed which depends on concentration in the manner expected theoretically for the hydrolysis reaction. The relaxation frequency at 25 C is 450 kc for a 0.01 M solution and 950 kc for 0.05 M. The corresponding forward and reverse rate constants calculated for the reaction (CN ion + H2O equals HCN + OH ion) are K sub 1 equals 5.2 x 10 to the 4th power per sec and K sub minus 1 equals 3.7 x 10 to the 9th power at 25 C. From the magnitude of the maximum excess acoustic absorption per wavelength (90 x 10 to the minus 6th power at 25 C for the 0.05 M solution) the partial molal volume change delta V for the process was calculated as -12.4 cu cm/mol. The temperature dependence of the relaxation frequency indicates an energy of activation for the process HCN + OH ion yields CN ion + H2O of 6! 2 Kcal/mol. (Author).

Download or read book Ultrasonic Relaxation in Electrolytic Solutions written by Western Reserve University. Department of Chemistry. Ultrasonics Research Laboratory and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book U S Government Research Reports written by and published by . This book was released on 1963 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Keywords Index to U S Government Technical Reports permuted Title Index written by United States. Department of Commerce. Office of Technical Services and published by . This book was released on 1962 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Keywords Index to U S Government Technical Reports written by and published by . This book was released on 1962 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Ultrasonic Relaxation in Electrolytic Solutions I a Review written by JOHN. STUEHR and published by . This book was released on 1962 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: The available relaxation data for electrolytes is reviewed and critically evaluated. Ultrasonic relaxation theory is reviewed with particular reference to solutions of electrolytes. Specific processes include the relaxation of the ionic atmosphere surrounding ions in solution, and unimolecular and dissociation reactions. The theoretical treatment of the multiple relaxation effects associated with consecutive equilibria is reviewed. Eigen (1958-61) has shown that the observed acoustic absorption data in divalent sulfates can be explained on the basis of the step-wise loss of hydration water from between the partners of cation-anion ion pairs. This mechanism is used to examine critically the ultrasonic absorption data in solutions of divalent sulfates, thiosulfates, and chromates. A number of proton-transfer reactions (e.g. hydrolysis or acid-base dissociation) have been studied by several relaxational techniques. Rate constants for reactions between ions in aqueous solution approach the theoretical limiting values anticipated for primarily diffusion-controlled processes. Representative values are collected and discussed in relation to the mechanisms responsible for the relaxation effects. A brief survey of experimental methods for measuring ultrasonic absorption is given in an appendix. (Author).

Download or read book The Journal of the Acoustical Society of America written by Acoustical Society of America and published by . This book was released on 1963 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1963 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Standard Methods for the Examination of Water and Wastewater written by American Public Health Association and published by . This book was released on 1981 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Comprehensive Dissertation Index 1861 1972 Chemistry written by Xerox University Microfilms and published by . This book was released on 1973 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Saline Water Conversion Report for written by and published by . This book was released on 1969 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Handbook of Enology Volume 1 written by Pascal Ribéreau-Gayon and published by John Wiley & Sons. This book was released on 2006-05-01 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: The "Microbiology" volume of the new revised and updated Handbook of Enology focuses on the vinification process. It describes how yeasts work and how they can be influenced to achieve better results. It continues to look at the metabolism of lactic acid bacterias and of acetic acid bacterias, and again, how can they be treated to avoid disasters in the winemaking process and how to achieve optimal results. The last chapters in the book deal with the use of sulfur-dioxide, the grape and its maturation process, harvest and pre-fermentation treatment, and the basis of red, white and speciality wine making. The result is the ultimate text and reference on the science and technology of the vinification process: understanding and dealing with yeasts and bacterias involved in the transformation from grape to wine. A must for all serious students and practitioners involved in winemaking.

Download or read book Journal of Scientific Industrial Research written by and published by . This book was released on 1965 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Dissertation Abstracts International written by and published by . This book was released on 1970 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1967 with total page 1220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book IBZ written by and published by . This book was released on 1965 with total page 1038 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Active Nitrogen written by A. Nelson Wright and published by Academic Press. This book was released on 2013-10-22 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physical Chemistry, A Series of Monographs: Active Nitrogen presents the methods by which active nitrogen may be produced. This book is composed of five chapters that evaluate the energy content, molecular spectrum, and the emission of active nitrogen. Some of the topics covered in the book are the summary of light-emitting systems of active nitrogen; analysis of Long-Lived Lewis-Rayleigh Afterglow theory and Ionic theory of Mitra; reactions followed by induced light emission; and characteristics of homogeneous recombination. Other chapters deal with the analysis of metastable molecule theories and the mechanisms for reactions of active nitrogen involving direct N(4S) attack. The discussion then shifts to the rate constants for reactions induced by direct N(4S) attack. The evaluation of the Short-Lived Energetic Afterglow theory is presented. The final chapter is devoted to the examination of emission from molecular species with electronic energy levels below 9.76 eV. The book can provide useful information to physicists, students, and researchers.