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Chemical Thermodynamics: Basic Concepts and Methods
ISBN-13: 9780471780151 / Angielski / Twarda / 2008 / 586 str.
Chemical Thermodynamics: Basic Concepts and Methods
ISBN-13: 9780471780151 / Angielski / Twarda / 2008 / 586 str.
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- A completely updated, expanded edition of a longstanding and influential text on chemical thermodynamics
- Covers the logical foundations and interrelationships of thermodynamics and their application to problems that are commonly encountered by the chemist.
- Explanations of abstract concepts in a clear and simple, yet still rigorous fashion
- Logical arrangement of the material to facilitate learning, including worked out examples.
- Computational techniques, graphical, numerical, and analytical, are described fully and are used frequently, both in illustrative and in assigned problems.
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"[This] book is necessary to people working in various field chemistry, biology, geology and materials science." ( Environmental Engineering and Management Journal, September/October 2008)
PREFACE.
1 INTRODUCTION.
1.1 Origins of Chemical Thermodynamics.
1.2 Objectives of Chemical Thermodynamics.
1.3 Limitations of Classic Thermodynamics.
References.
2 MATHEMATICAL PREPARATION FOR THERMODYNAMICS.
2.1 Variables of Thermodynamics.
Extensive and Intensive Quantities.
Units and Conversion Factors.
2.2 Analytic Methods.
Partial Differentiation.
Exact Differentials.
Homogeneous Functions.
Exercises.
ReferencesÂ
3 THE FIRST LAW OF THERMODYNAMICS.
3.1 Definitions.
Temperature.
Work.
3.2 The First Law of Thermodynamics.
Energy.
Heat.
General Form of the First Law.
Exercises.
References.
4 ENTHALPY, ENTHALPY OF REACTION, AND HEAT CAPACITY.
4.1 Enthalpy.
Definition.
Relationship between Qv and Qp.
4.2 Enthalpy of Reactions.
Definitions and Conventions.
4.3 Enthalpy as a State Function.
Enthalpy of Formation from Enthalpy of Reaction.
Enthalpy of Formation from Enthalpy of Combustion.
Enthalpy of Transition from Enthalpy of Combustion.
Enthalpy of Conformational Transition of a Protein from Indirect Calorimetric Measurements.
Enthalpy of Solid–State Reaction from Measurements of Enthalpy of Solution.
4.4 Bond Enthalpies.
Definition of Bond Enthalpies.
Calculation of Bond Enthalpies.
Enthalpy of Reaction from Bond Enthalpies.
4.5 Heat Capacity.
Definition.
Some Relationships between Cp and Cv.
Heat Capacities of Gases.
Heat Capacities of Solids.
Heat Capacities of Liquids.
Other Sources of Heat Capacity Data.
4.6 Enthalpy of Reaction as a Function of Temperature.
Analytic Method.
Arithmetic Method.
Graphical or Numerical Methods.
Exercises.
References.
5 APPLICATIONS OF THE FIRST LAW TO GASES.
5.1 Ideal Gases.
Definition.
Enthalpy as a Function of Temperature Only.
Relationship Between Cp and Cv.
Calculation of the Thermodynamic Changes in Expansion Processes.
5.2 Real Gases.
Equations of State.
Jouleâ??Thomson Effect.
Calculations of Thermodynamic Quantities in Reversible Expansions.
Exercises.
References.
6 THE SECOND LAW OF THERMODYNAMICS.
6.1 The Need for a Second Law.
6.2 The Nature of the Second Law.
Natural Tendencies Toward Equilibrium.
Statement of the Second Law.
Mathematical Counterpart of the Verbal Statement.
6.3 The Carnot Cycle.
The Forward Cycle.
The Reverse Cycle.
Alternative Statement of the Second Law.
Carnotâ??s Theorem.
6.4 The Thermodynamic Temperature Scale.
6.5 The Definition of S, the Entropy of a System.
6.6 The Proof that S is a Thermodynamic Property.
Any Substance in a Carnot Cycle.
Any Substance in Any Reversible Cycle.
Entropy S Depends Only on the State of the System.
6.7 Entropy Changes in Reversible Processes.
General Statement.
Isothermal Reversible Changes.
Adiabatic Reversible Changes.
Reversible Phase Transitions.
Isobaric Reversible Temperature Changes.
Isochoric Reversible Temperature Changes.
6.8 Entropy Changes in Irreversible Processes.
Irreversible Isothermal Expansion of an Ideal Gas.
Irreversible Adiabatic Expansion of an Ideal Gas.
Irreversible Flow of Heat from a Higher Temperature to a Lower Temperature.
Irreversible Phase Transitions.
Irreversible Chemical Reactions.
General Statement.
6.9 General Equations for the Entropy of Gases.
Entropy of the Ideal Gas.
Entropy of a Real Gas.
6.10 Temperatureâ??Entropy Diagram.
6.11 Entropy as an Index of Exhaustion.
Exercises.
References.
7 EQUILIBRIUM AND SPONTANEITY FOR SYSTEMS AT CONSTANT TEMPERATURE.
7.1 Reversibility, Spontaneity, and Equilibrium.
Systems at Constant Temperature and Volume.
Systems at Constant Temperature and Pressure.
Heat of Reaction as an Approximate Criterion of Spontaneity.
7.2 Properties of the Gibbs, Helmholtz, and Planck Functions.
The Functions as Thermodynamic Properties.
Relationships among G, Y, and A.
Changes in the Functions for Isothermal Conditions.
Equations for Total Differentials.
Pressure and Temperature Derivatives of the Functions.
Equations Derived from the Reciprocity Relationship.
7.3 The Gibbs Function and Chemical Reactions.
Standard States.
7.4 Pressure and Temperature Dependence of Î?G.
7.5 Useful Work and the Gibbs and Helmholtz Functions.
Isothermal Changes.
Changes at Constant Temperature and Pressure.
Relationship between Î?Hp and Qp When Useful Work is Performed.
Application to Electrical Work.
Gibbsâ??Helmholtz Equation.
The Gibbs Function and Useful Work in Biologic Systems.
Exercises.
References.
8 APPLICATION OF THE GIBBS FUNCTION AND THE PLANCK FUNCTION TO SOME PHASE CHANGES.
8.1 Two Phases at Equilibrium as a Function of Pressure and Temperature.
Clapeyron Equation.
Clausiusâ??Clapeyron Equation.
8.2 The Effect of an Inert Gas on Vapor Pressure.
Variable Total Pressure at Constant Temperature.
Variable Temperature at Constant Total Pressure.
8.3 Temperature Dependence of Enthalpy of Phase Transition.
8.4 Calculation of Change in the Gibbs Function for Spontaneous Phase Change.
Arithmetic Method.
Analytic Method.
Exercises.
References.
9 THERMODYNAMICS OF SYSTEMS OF VARIABLE COMPOSITION.
9.1 State Functions for Systems of Variable Composition.
9.2 Criteria of Equilibrium and Spontaneity in Systems of Variable Composition.
9.3 Relationships Among Partial Molar Properties of a Single Component.
9.4 Relationships Between Partial Molar Quantities of Different Components.
Partial Molar Quantities for Pure Phase.
9.5 Escaping Tendency.
Chemical Potential and Escaping Tendency.
9.6 Chemical Equilibrium in Systems of Variable Composition.
Exercises.
Reference.
10 MIXTURES OF GASES AND EQUILIBRIUM IN GASEOUS MIXTURES.
10.1 Mixtures of Ideal Gases.
The Entropy and Gibbs Function for Mixing Ideal Gases.
The Chemical Potential of a Component of an Ideal Gas Mixture.
Chemical Equilibrium in Ideal Gas Mixtures.
Dependence of K on Temperature.
Comparison of Temperature Dependence of Î?Gom and ln K.
10.2 The Fugacity Function of a Pure Real Gas.
Change of Fugacity with Pressure.
Change of Fugacity with Temperature.
10.3 Calculation of the Fugacity of a Real Gas.
Graphical or Numerical Methods.
Analytical Methods.
10.4 Jouleâ??Thomson Effect for a Van der Waals Gas.
Approximate Value of a for a Van der Waals Gas.
Fugacity at Low Pressures.
Enthalpy of a Van der Waals Gas.
Jouleâ??Thomson Coefficient.
10.5 Mixtures of Real Gases.
Fugacity of a Component of a Gaseous Solution.
Approximate Rule for Solutions of Real Gases.
Fugacity Coefficients in Gaseous Solutions.
Equilibrium Constant and Change in Gibbs Functions and Planck Functions for Reactions of Real Gases.
Exercises.
References.
11 THE THIRD LAW OF THERMODYNAMICS.
11.1 Need for the Third Law.
11.2 Formulation of the Third Law.
Nernst Heat Theorem.
Planckâ??s Formulation.
Statement of Lewis and Randall.
11.3 Thermodynamic Properties at Absolute Zero.
Equivalence of G and H.
Î?Cp in an Isothermal Chemical Reaction.
Limiting Values of Cp and Cv.
Temperature Derivatives of Pressure and Volume.
11.4 Entropies at 298 K.
Typical Calculations.
Apparent Exceptions to the Third Law.
Tabulations of Entropy Values.
Exercises.
References.
12 APPLICATION OF THE GIBBS FUNCTION TO CHEMICAL CHANGES.
12.1 Determination of Î?Gom from Equilibrium Measurements.
12.2 Determination of Î?Gom from Measurements of Cell potentials.
12.3 Calculation of Î?Gom from Calorimetric Measurements.
12.4 Calculation of a Gibbs Function of a Reaction from Standard Gibbs Function of Formation.
12.5 Calculation of a Standard Gibbs Function from Standard Entropies and Standard Enthalpies.
Enthalpy Calculations.
Entropy Calculations.
Change in Standard Gibbs Function.
Exercises.
References.
13 THE PHASE RULE.
13.1 Derivation of the Phase Rule.
Nonreacting Systems.
Reacting Systems.
13.2 One–Component Systems.
13.3 Two–Component Systems.
Two Phases at Different Pressures.
Phase Rule Criterion of Purity.
Exercises.
References.
14 THE IDEAL SOLUTION.
14.1 Definition.
14.2 Some Consequences of the Definition.
Volume Changes.
Heat Effects.
14.3 Thermodynamics of Transfer of a Component from One Ideal Solution to Another.
14.4 Thermodynamics of Mixing.
14.5 Equilibrium between a Pure Solid and an Ideal Liquid Solution.
Change of Solubility with Pressure at a Fixed Temperature.
Change of Solubility with Temperature.
14.6 Equilibrium between an Ideal Solid Solution and an Ideal Liquid Solution.
Composition of the Two Phases in Equilibrium.
Temperature Dependence of the Equilibrium Compositions.
Exercises.
References.
15 DILUTE SOLUTIONS OF NONELECTROLYTES.
15.1 Henryâ??s Law.
15.2 Nernstâ??s Distribution Law.
15.3 Raoultâ??s Law.
15.4 Vanâ??t Hoffâ??s Law of Osmotic Pressure.
Osmotic Work in Biological Systems.
15.5 Vanâ??t Hoffâ??s Law of Freezing–Point Depression and Boiling–Point Elevation.
Exercises.
References.
16 ACTIVITIES, EXCESS GIBBS FUNCTIONS, AND STANDARD STATES FOR NONELECTROLYTES.
16.1 Definitions of Activities and Activity Coefficients.
Activity.
Activity Coefficient.
16.2 Choice of Standard States.
Gases.
Liquids and Solids.
16.3 Gibbs Function and the Equilibrium Constant in Terms of Activity.
16.4 Dependence of Activity on Pressure.
16.5 Dependence of Activity on Temperature.
Standard Partial Molar Enthalpies.
Equation for Temperature Derivative of the Activity.
16.6 Standard Entropy.
16.7 Deviations from Ideality in Terms of Excess Thermodynamic Functions.
Representation of GEm as a Function of Composition.
16.8 Regular Solutions and Henryâ??s Law.
16.9 Regular Solutions and Limited Miscibility.
Exercises.
References.
17 DETERMINATION OF NONELECTROLYTE ACTIVITIES AND EXCESS GIBBS FUNCTIONS FROM EXPERIMENTAL DATA.
17.1 Activity from Measurements of Vapor Pressure.
Solvent.
Solute.
17.2 Excess Gibbs Function from Measurement of Vapor Pressure.
17.3 Activity of a Solute from Distribution between Two Immiscible Solvents.
17.4 Activity from Measurement of Cell Potentials.
17.5 Determination of the Activity of One Component from the Activity of the Other.
Calculation of Activity of Solvent from That of Solute.
Calculation of Activity of Solute from That of Solvent.
17.6 Measurements of Freezing Points.
Exercises.
References.
18 CALCULATION OF PARTIAL MOLAR QUANTITIES AND EXCESS MOLAR QUANTITIES FROM EXPERIMENTAL DATA: VOLUME AND ENTHALPY.
18.1 Partial Molar Quantities by Differentiation of J as a Function of Composition.
Partial Molar Volume.
Partial Molar Enthalpy.
Enthalpies of Mixing.
Enthalpies of Dilution.
18.2 Partial Molar Quantities of One Component from those of Another Component by Numerical Integration.
Partial Molar Volume.
Partial Molar Enthalpy.
18.3 Analytic Methods for Calculation of Partial Molar Properties.
Partial Molar Volume.
Partial Molar Enthalpy.
18.4 Changes in J for Some Processes in Solutions.
Transfer Process.
Integral Process.
18.5 Excess Properties: Volume and Enthalpy.
Excess Volume.
Excess Enthalpy.
Exercises.
References.
19 ACTIVITY, ACTIVITY COEFFICIENTS, AND OSMOTIC COEFFICIENTS OF STRONG ELECTROLYTES.
19.1 Definitions and Standard states for Dissolved Electrolytes.
Uni–univalent Electrolytes.
Multivalent Electrolytes.
Mixed Electrolytes.
19.2 Determination of Activities of Strong Electrolytes.
Measurement of Cell Potentials.
Solubility Measurements.
Colligative Property Measurement: The Osmotic Coefficient.
Extension of Activity Coefficient Data to Additional Temperatures with Enthalpy of Dilution Data.
19.3 Activity Coefficients of Some Strong Electrolytes.
Experimental Values.
Theoretical Correlation.
Exercises.
References.
20 CHANGES IN GIBBS FUNCTION FOR PROCESSES IN SOLUTIONS.
20.1 Activity Coefficients of Weak Electrolytes.
20.2 Determination of Equilibrium Constants for Dissociation of Weak Electrolytes.
From Measurements of Cell Potentials.
From Conductance Measurements.
20.3 Some Typical Calculations for Î?fGom.
Standard Gibbs Function for Formation of Aqueous Solute: HCl.
Standard Gibbs Function of Formation of Individual Ions: HCl.
Standard Gibbs Function for Formation of Solid Solute in Aqueous Solution.
Standard Gibbs Function for Formation of Ion of Weak Electrolyte.
Standard Gibbs Function for Formation of Moderately Strong Electrolyte.
Effect of Salt Concentration on Geological Equilibrium Involving Water.
General Comments.
20.4 Entropies of Ions.
The Entropy of an Aqueous Solution of a Salt.
Entropy of Formation of Individual Ions.
Ion Entropies in Thermodynamic Calculations.
Exercises.
References.
21 SYSTEMS SUBJECT TO A GRAVITATIONAL OR A CENTRIFUGAL FIELD.
21.1 Dependence of the Gibbs Function on External Field.
21.2 System in a Gravitational Field.
21.3 System in a Centrifugal Field.
Exercises.
References.
22 ESTIMATION OF THERMODYNAMIC QUANTITIES.
22.1 Empirical Methods.
Group Contribution Method of Andersen, Beyer, Watson, and Yoneda.
Typical Examples of Estimating Entropies.
Other Methods.
Accuracy of the Approximate Methods.
Equilibrium in Complex Systems.
Exercises.
References.
23 CONCLUDING REMARKS.
References.
APPENDIX A PRACTICAL MATHEMATICALTECHNIQUES.
A.1 Analytical Methods.
Linear Least Squares.
Nonlinear Least Squares.
A.2 Numerical and Graphical Methods.
Numerical Differentiation.
Numerical Integration.
Use of the Digital Computer.
Graphical Differentiation.
Graphical Integration.
Exercises.
References.
INDEX.
Irving M. Klotz, PhD, deceased, was a noted expert in chemical thermodynamics and the physical chemistry of proteins. Dr. Klotz was elected to the American Academy of Arts & Sciences in 1968 and the National Academy of Sciences in 1970. He joined the Northwestern faculty in 1940 and retired in 1986. Dr. Klotz was named a Fellow of the Royal Society of Medicine in 1971 and published more than 200 scientific articles in peer–reviewed journals. He wrote Chemical Thermodynamics: Basic Theory and Methods in 1950. Dr. Rosenberg began working with him as coauthor with the third edition. ROBERT M. ROSENBERG, PhD, is Emeritus Professor of Chemistry at Lawrence University and an Adjunct Professor of Chemistry at Northwestern University.
A new edition of the classic treatment of chemical thermodynamics
For more than fifty years, this critically acclaimed and highly influential publication has been the textbook of choice in the field of chemical thermodynamics. This Seventh Edition not only brings the text thoroughly up to date with the latest developments and applications, it also offers new features that better enable students to master key concepts and apply them in practice.
While thoroughly revised and updated, the text′s fundamental objectives remain unchanged: to present the foundations and interrelationships of thermodynamics and to enable students to apply basic concepts in solving problems typically encountered by chemists, biologists, geologists, and materials scientists. Moreover, the text continues to maintain a logical unity throughout by focusing on the laws of classical thermodynamics and applications to gases, solutions, phase equilibria, and chemical equilibria.
Designed to meet the needs of today′s students and instructors, the text offers:
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Rigorous explanations of abstract concepts that are clear and simple
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Logical organization of materials that enables students to progressively build and apply knowledge
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Worked examples demonstrating how concepts are applied to solve actual problems
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Detailed coverage of essential mathematical tools, with mathematical review chapters provided for additional support
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A thorough presentation of graphical, numerical, and analytical computational techniques
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Exercises that accurately reflect the types of problems encountered by practicing scientists
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An explanation of the treatment of mixtures of gases, followed by an explanation of the treatment of chemical equilibrium
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A new discussion of the relation of Henry′s law to regular solutions and the relation of regular solutions to limited miscibility
Updated to reflect the latest applications in science and engineering, Chemical Thermo–dynamics continues to set the standard in its field.
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