This manual contains 43 finely tuned, self-contained experiments chosen to introduce basic lab techniques and to illustrate core chemical principles. The Eleventh Edition has been revised to correlate more tightly with Brown/LeMay/Bursten’s Chemistry: The Central Science, 11/e and now features a guide on how to keep a lab report notebook. Safety and waste management are covered in greater detail, and many pre-lab and post-lab questions have been updated. The labs can also be customized through Catalyst, Pearson's custom database program.
Basic Laboratory Techniques; Identification of Substances by Physical Properties; Separation of the Components of a Mixture; Chemical Reactions; Chemical Formulas; Chemical Reactions of Copper and Percent Yield; Chemicals in Everyday Life: What Are They and How Do We Know? Gravimetric Analysis of a Chloride Salt; Gravimetric Determination of Phosphorus in Plant Food; Paper Chromatography: Separation of Cations and Dyes; Molecular Geometries of Covalent Molecules: Lewis Structures and the VSEPR model; Atomic Spectra and Atomic Structure; Behavior of Gases: Molar Mass of a Vapor; Determination of R: The Gas-Law Constant; Activity Series; Electrolysis, the Faraday, and Avogadro’s Number; Electrochemical Cells and Thermodynamics; The Chemistry of Oxygen: Basic and Acidic Oxides and the Periodic Table; Colligative Properties: Freezing-Point Depression and Molar Mass; Titration of Acids and Bases; Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations; Colorimetric Determination of an Equilibrium Constant in Aqueous Solution; Chemical Equilibrium: LeChâtelier’s Principle; Hydrolysis of Salts and pH of Buffer Solutions; Determination of the Dissociation Constant of a Weak Acid; Titration Curves of Polyprotic Acids; Determination of the Solubility-Product Constant for a Sparingly Soluble Salt; Heat of Neutralization; Rates of Chemical Reactions I: A Clock Reaction; Rates of Chemical Reactions II: Rate and Order of Decomposition; Introduction to Qualitative Analysis; Abbreviated Qualitative-Analysis Scheme.
A hands-on workbook/CD useful for anyone studying general chemistry.
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Presenting a total of 41 finely tuned experiments that have been tested by thousands of students, this comprehensive manual teaches students basic laboratory techniques, reviews chemical concepts, helps students identify different chemical substances, and helps students learn to think like scientists.
Most students who take freshman chemistry are not planning for a career in this discipline. As a result, the introductory chemistry course usually serves several functions at various levels. It begins the training process for those who seek to become chemists. It introduces nonscience students to chemistry as an important, useful, and, we hope, interesting and rewarding part of their general education. It also should stimulate those students who are seeking the intellectual challenges and sense of purpose they hope to obtain from a career.
This manual has been written with these objectives in mind and to accompany the ninth edition of the text Chemistry: The Central Science by Theodore L. Brown, H. Eugene LeMay, Jr., and Bruce E. Bursten. Each of the experiments is self-contained, with sufficient background material to conduct and understand the experiment. Each has a pedagogical objective to exemplify one or more specific principles. Because the experiments are self-contained, they may be undertaken in any order; however, we have found for our General Chemistry course that the sequence of Experiments 1 through 7 provides the firmest background and introduction.
To assist the student, we have included review questions to be answered before the experiments are begun. These are designed both to help the student understand the experiment and as an incentive to read the experiment in advance. As a further incentive, answers to some of these questions are provided in Appendix J.
We have made an effort to minimize the cost of the experiments. We have at the same time striven for a broad representation of the essential principles while keeping in mind that many students gain no other exposure to analytical techniques. Consequently, balances, pH meters, and spectrophotometers are used in some of the experiments. A list of necessary materials is given at the beginning of each experiment.
Each of the experiments contains a detachable report sheet that is easily graded, and most experiments contain unknowns. Very few of the experiments may be "dry-labbed."
In this ninth edition we have:
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