Principles of General Chemistry 3rd Edition
Book PrefacePrinciples of General Chemistry 3rd Edition
As the new century unfolds, chemistry will play its usual, crucial role in dealing with complex environmental, medical, and industrial issues. And, as the complexities increase and more information is needed to understand them, many chemistry instructors want a more focused text to serve as the core of a powerful electronic teaching and learning package. This new, Third Edition of Principles of General Chemistry is the ideal choice, designed to cover key principles and skills with great readability, the most accurate molecular art available, a problem-solving approach that is universally praised, and a supporting suite of electronic products that sets a new standard in academic science.
What ’s New in the Third Edition
To address dynamic changes in how courses are structured and how students learn variable math and reading preparation, less time for traditional studying, electronic media as part of lectures and homework, new challenges and options in career choices—the author and publisher consulted extensively with students and faculty. Based on their input, we developed the following ways to improve the text as a whole as well as the content of individual chapters.
Global Changes to the Entire Text
Writing style and content presentation. Every line of every discussion has been revised to optimize clarity, readability, and a more direct presentation. The use of additional subheads, numbered (and titled) paragraphs, and bulleted (and titled) lists has eliminated long unbroken paragraphs. Main ideas are delineated and highlighted, making for more efficient study and lectures. As a result, the text is over 20 pages shorter than the Second Edition.
More worked problems. The much admired—and imitated— four-part (plan, solution, check, practice) Sample Problems occur in both data-based and molecular-scene format. To deepen understanding, Follow-up Problems have worked-out solutions at the back of each chapter, with a road map when appropriate, effectively doubling the number of worked problems. This edition has 15 more sample problems, many in the earlier chapters, where students need the most practice in order to develop confidence.
Art and figure legends. Figures have been made more realistic and modern. Figure legends have been greatly shortened, and the explanations from them have either been added to the text or included within the figures.
Page design and layout. A more open look invites the reader while maintaining the same attention to keeping text and related figures and tables near each other for easier studying.
Section summaries. This universally approved feature is even easier to use in a new bulleted format.
Chapter review. The unique Chapter Review Guide aids study with problem-based learning objectives, key terms, key equations, and the multistep Brief Solutions to Followup Problems (rather than just numerical answers).
End-of-chapter problem sets. With an enhanced design to improve readability and traditional and molecular-scene problems updated and revised, these problem sets are far more extensive than in other brief texts.
Content Changes to Individual Chapters
• Chapter 2 presents a new figure and table on molecular modeling, and it addresses the new IUPAC recommendations for atomic masses.
• Discussion of empirical formulas has been moved from Chapter 2 to Chapter 3 so that it appears just before molecular formulas.
• Chapter 3 has some sample problems from the Second Edition that have been divided to focus on distinct concepts, and it contains seven new sample problems.
• Chapters 3 and 4 include more extensive and consistent use of stoichiometry reaction tables in limiting-reactant problems.
• Chapter 4 presents a new molecular-scene sample problem on depicting an ionic compound in aqueous solution.
• Chapter 5 includes a new discussion on how gas laws apply to breathing.
• Chapter 5 groups stoichiometry of gaseous reactions with other rearrangements of the ideal gas law.
• Chapter 17 makes consistent use of quantitative benchmarks for determining when it is valid to assume that the amount reacting can be neglected.
About the Author xvii
1 Keys to the Study of Chemistry 2
2 The Components of Matter 32
3 Stoichiometry of Formulas and Equations 71
4 Three Major Classes of Chemical Reactions 115
5 Gases and the Kinetic-Molecular Theory 148
6 Thermochemistry: Energy Flow and Chemical Change 188
7 Quantum Theory and Atomic Structure 216
8 Electron Configuration and Chemical Periodicity 245
9 Models of Chemical Bonding 276
10 The Shapes of Molecules 302
11 Theories of Covalent Bonding 328
12 Intermolecular Forces: Liquids, Solids, and Phase Changes 350
13 The Properties of Solutions 391
14 Periodic Patterns in the Main-Group Elements 425
15 Organic Compounds and the Atomic Properties of Carbon 459
16 Kinetics: Rates and Mechanisms of Chemical Reactions 498
17 Equilibrium: The Extent of Chemical Reactions 542
18 Acid-Base Equilibria 579
19 Ionic Equilibria in Aqueous Systems 617
20 Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions 653
21 Electrochemistry: Chemical Change and Electrical Work 687
22 Transition Elements and Their Coordination Compounds 736
23 Nuclear Reactions and Their Applications 763
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|January 28, 2016|
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