Energy Changes in Biochemical Reactions - 1st Edition - ISBN: 9781483256795, 9781483267777

Energy Changes in Biochemical Reactions

1st Edition

Authors: Irving M. Klotz
eBook ISBN: 9781483267777
Imprint: Academic Press
Published Date: 1st January 1967
Page Count: 118
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Energy Changes in Biochemical Reactions outlines some of the principles of classical and of molecular-statistical energetics. An effort has been made to delineate clearly the axioms of each of these branches of energetics and to show how some of the theorems may be developed from these axioms. Finally, some of the ideas of energetic have been applied to a few biochemical problems to illustrate the types of insight which this branch of science provides for understanding and predicting. It is hoped that a reader who has conscientiously worked his way through this volume will acquire not only a cocktail-party knowledge of thermodynamics but will be able to apply it to some simple biochemical or chemical reactions.

Table of Contents


Introduction: The Scope of Energetics

I. The Concept of Energy: The First Law of Thermodynamics

II. The Concept of Entropy

A. The Second Law of Thermodynamics

B. Entropy as an Index of Exhaustion

III. The Free Energy or Chemical Potential

A. A Criterion of Feasibility of a Material Transformation

B. Distinction between λG° and λG

IV. Computations of Standard Free Energies

A. From Equilibrium Constants

B. From Oxidation-Reduction Potentials

C. From Enthalpy and Entropy Changes

D. From Free Energies of Formation


V. The Dependence of Chemical Potential on Concentration

A. Fundamental Relationship

B. Illustrative Calculations


VI. Group Transfer Potential: "High-Energy Bond"

A. Comparison of Transfer Potentials

B. Coupled Reactions

C. Experimental Determination of Group Transfer Potentials


VII. Some Laws of Physicochemical Behavior

A. Electrochemical Relationships

B. Osmotic Pressure

C. Molecular Weight from Ultracentrifugation

VIII. Energetics from a Molecular Statistical Viewpoint

A. Fundamental Assumptions

B. Relationship to Thermodynamic Quantities

C. Some Applications



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© Academic Press 1967
Academic Press
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Irving M. Klotz

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