A Contribution to the Thermochemistry of Organic Compounds PDF Download
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Author: Endre Berner
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 150
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Book Description
Author: Endre Berner
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 150
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Book Description
Author: Endre Berner
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: J. B. Pedley
Publisher: Springer Science & Business Media
ISBN: 9400940998
Category : Science
Languages : en
Pages : 790
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Book Description
The purpose of the material in this book is to enable users of thermochemical data to predict values for standard enthalpies ofreactions involving organic compounds ranging in complex ity from simple alkanes to biologically important compounds such as amino acids. Chapter 1 contains tables of values for standard enthalpies of formation derived from experimental data for approximately 3000 organic compounds of the elements C, H, 0, N, S and halogens; Chapters 2 to 4 describe a simple scheme for predicting unknown values of standard enthalpies of formation. Data presented in the book are stored in a data base at the University of Sussex and with associated software provides a simple but efficient method for dealing with thermochemical problems in organic chemistry. The experimental data used in the computer calculation of the values for standard enthal pies of formation are clearly indicated in Table 1.2. Where alternative values for a given standard enthalpy of formation may be derived, from independent measurements, we have clearly indicated those which are regarded by the assessors as definitive and which are therefore used to derive the value for the compound concerned. We do not, however, give reasons for the assessors choice nor are details given of experimental techniques. The literature search for suitable references was discontinued in 1983 to allow development of the predictive scheme and the computer techniques for handling the data.
Author: George J. Janz
Publisher:
ISBN:
Category : Chemistry, Organic
Languages : en
Pages : 228
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Book Description
Author: George J. Janz
Publisher: Elsevier
ISBN: 0323158668
Category : Science
Languages : en
Pages : 262
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Book Description
Thermodynamic Properties of Organic Compounds: Estimation Methods, Principles and Practice, Revised Edition focuses on the progression of practical methods in computing the thermodynamic characteristics of organic compounds. Divided into two parts with eight chapters, the book concentrates first on the methods of estimation. Topics presented are statistical and combined thermodynamic functions; free energy change and equilibrium conversions; and estimation of thermodynamic properties. The next discussions focus on the thermodynamic properties of simple polyatomic systems by statistical thermodynamic methods. Discussed are molecular energy of an ideal gas; partition function and thermodynamic properties; and calculation of statistical thermodynamic functions. The book also notes the dynamic properties of long chain hydrocarbons and the method of structural similarity. Tabulations and numerical representations are presented as well. Discussions also focus on methods of group contributions and group equations. Included are paraffins, unsaturated carbons, cyclic hydrocarbons, and nonhydrocarbon groups. The last part of the text focuses on heat formation and heat capacity; the applications of thermodynamic method; and numerical data. Included in the discussions are bond energies and binding energies; gaseous free radicals and ions; and hydrogenation of benzene. The book is an important source of data for readers interested in studying the thermodynamic characteristics of organic compounds.
Author: J B Pedley
Publisher: CRC Press
ISBN: 9781883400019
Category : Science
Languages : en
Pages : 592
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Book Description
A search for the enthalpy of formation of a particular compound can be a difficult task. So it is of great benefit that the values be collected together in one comprehensive compilation. Thermochemical Data and Structures of Organic Compounds presents approximately 3000 enthalpies of formation of organic compounds. There are many instances of large discrepancies reported for a particular compound. Thus, selection of the "best" value becomes a challenge for the person who is not a practicing thermochemist, but who only wishes to use the data. A critical evaluation of the values presented becomes desirable. This compilation presents about 3000 enthalpies of formation of organic compounds, all critically evaluated.
Author: M. L. Frenkel
Publisher: Wiley-VCH
ISBN: 9781560815594
Category : Bomb calorimeter
Languages : en
Pages : 584
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Book Description
An updated translation of three monographs published in the former USSR: Bomb Calorimetry, written by S.N. Hajiev (Khimija, Moscow, 1988), Thermochemistry of Vaporization of Organic Substances, written by Yu A. Lebedev and E.A. Miroshnichenko (Nauka, Moscow, 1981), and Thermodynamics and Equilibria of Isomers, written by G.J. Kabo, G.N. Roganov, and M.L. Frenkel (Universiteskoye, Minsk, 1986). These three books are dedicated to the rapidly developing fields of thermochemistry of organic compounds, such as calorimetry of combustion, calorimetry of vaporization, measurements of vapor pressure, studies of chemical equilibria, and also methods of calculation of energetic, entropic, and other thermodynamic characteristics by means of additive and statistical mechanics. Annotation copyright by Book News, Inc., Portland, OR
Author: Árpád Furka
Publisher: Springer
ISBN: 3030060047
Category : Science
Languages : en
Pages : 124
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Book Description
This brief introduces readers to an alternative thermochemical reference system that makes it possible to use the heats of formation of organic compounds to deduce the energies that depend entirely on their structures, and which provides calculated values for most of the characteristic structures appearing in organic molecules. These structure-dependent energies are provided e.g. for selected compounds of normal and cyclic alkanes, open chain and cyclic olefins (including conjugated polyenes), alkynes, aromatic hydrocarbons and their substituted derivatives. The oxygen, sulfur and nitrogen derivatives of the above-mentioned compounds are also represented with calculated structure-dependent energies including alcohols, ethers, aldehydes and ketones, carboxylic acids, thiols, sulfides, amines, amides, heterocyclic compounds and others. Most organic reactions can be interpreted as the disappearance of certain structures and formation of others. If the structure-dependent energies are known, it can be shown how the disappearing and the newly formed structures contribute to the heat of reactions and to the driving forces. As experienced by the author, who pioneered the concept, structure dependent energies can help teachers to make organic chemistry more accessible for their students. Accordingly, the brief offers a valuable resource for all those who teach organic chemistry at universities, and for those who are learning it.
Author: Wojciech Świętosławski
Publisher:
ISBN:
Category :
Languages : en
Pages : 5
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Book Description
Author: Donald W Rogers
Publisher: World Scientific
ISBN: 9814477265
Category : Science
Languages : en
Pages : 234
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Book Description
Heats of hydrogenation constitute a body of thermochemical information that has had an on-going significance despite the small number of research groups engaged in the work. Recent highly accurate quantum mechanical calculations requiring reference standards of high accuracy have brought hydrogen thermochemistry back into contemporary focus.This book concentrates on distinctive features of hydrogen thermochemistry such as the practical and historical aspects of experimental determination of the enthalpies of hydrogenation and formation of organic compounds, primarily hydrocarbons, literature on hydrogen thermochemistry over the last 70 years, as well as the impact of contemporary advances in computer hardware and software on the calculation of heats of hydrogenation.
