Introductory Chemistry , Sixth Edition by Steven S., DeCoste, Donald J. Zumdahl PDF

By Steven S., DeCoste, Donald J. Zumdahl

ISBN-10: 0618803289

ISBN-13: 9780618803286

This variation good points the entire hallmarks and pedagogy of Introductory Chemistry: A beginning, 6/e, in chapters 1-19 and expands assurance with the addition of equilibrium, oxidation-reduction reactions, electrochemistry, radioactivity, and nuclear power.

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Extra info for Introductory Chemistry , Sixth Edition

Sample text

3 Solving Problems Using a Scientific Approach 5 of all types, using bacteria to produce such chemicals as insulin, and inventing new diagnostic methods for early detection of disease. Chemistry is often called the central science—and with good reason. Most of the phenomena that occur in the world around us involve chemical changes, changes where one or more substances become different substances. Here are some examples of chemical changes: Wood burns in air, forming water, carbon dioxide, and other substances.

In this book we will try very hard to help you understand what chemistry is and how it works and to point out how chemistry applies to the things going on in your life. Our sincere hope is that this text will motivate you to learn chemistry, make its concepts understandable to you, and demonstrate how interesting and vital the study of chemistry is. 2 What Is Chemistry? Objective: To define chemistry. Chemical and physical changes will be discussed in Chapter 3. 4 Chemistry can be defined as the science that deals with the materials of the universe and the changes that these materials undergo.

Because we moved the decimal point four places to the right, the power of 10 is negative 4. 3 ϫ 10Ϫ4. 18 Chapter 2 Measurements and Calculations b. 0 · 0 8 9 1 2 The power of 10 is negative 2 because the decimal point was moved two places to the right. 9 ϫ 10Ϫ2. 0055 in scientific notation. If you are having difficulty with scientific notation at this point, reread the Appendix. 12. 2 Units Objective: To learn the English, metric, and SI systems of measurement. The units part of a measurement tells us what scale or standard is being used to represent the results of the measurement.

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Introductory Chemistry , Sixth Edition by Steven S., DeCoste, Donald J. Zumdahl


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