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Chapter 1
Chemistry and Measurements
Chemistry & Chemicals Study Plan Units of Measurement 4. Scientific Notation 5. Measured Numbers & Significant Figures 6. Significant Figures & Calculations 7. Prefixes & Equalities 8. Conversion Factors 9. Problem Solving 10. Density 1. 2. 3.

General, Organic, and Biological Chemistry
Fourth Edition Karen Timberlake

Chapter 1
Chemistry and Measurements
1.1 Chemistry and Chemicals
© 2013 Pearson Education, Inc.

Lectures

Chemistry
Chemistry is the study of matter and its  composition,  structure,  properties, and  reactions.

© 2013 Pearson Education, Inc.

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Chemistry is Everywhere
Chemistry happens all around you, for example, when you  cook food,  add chlorine to your pool,  digest food, and  drop an antacid tablet in a glass of water.

© 2013 Pearson Education, Inc.

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Field of Chemistry
The field of chemistry is divided into branches.  General Chemistry  Organic Chemistry  Biochemistry

Biochemists analyze samples in a laboratory.
© 2013 Pearson Education, Inc. Chapter 1, Section 1 5

Alchemists: Early Chemists
Alchemists  learned to extract metal from ores,  designed some of the first laboratory equipment, and  developed early laboratory procedures.

Paracelsus believed that chemicals and minerals could be used as medicines.

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Chemicals
Chemicals are  substances that always have the same composition and properties,  in everything you see, and  also called substances and describe a specific type of material.

© 2013 Pearson Education, Inc.

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Common Products Contain Chemicals
Substances you use everyday contain chemicals, including  shampoo,  soap, and  toothpaste.

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Chemicals Commonly Used in Toothpaste

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Learning Check
List 5 chemicals you might find in your kitchen.

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Solution
5 chemicals you might find in your kitchen include: 1. Calcium carbonate is found in kitchen countertops. 2. Sodium bicarbonate is found in baking soda. 3. Sugar 4. Salt 5. Acetic acid is found in vinegar.

© 2013 Pearson Education, Inc.

Chapter 1, Section 1

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General, Organic, and Biological Chemistry
Fourth Edition Karen Timberlake

Chapter 1
Chemistry and Measurements
1.2 A Study Plan for Learning Chemistry
© 2013 Pearson Education, Inc.

Lectures
Chapter 1, Section 1 12

© 2013 Pearson Education, Inc.

Text Features to Help You Study Chemistry
This text contains study features to complement your learning style, such as  a periodic table on the inside front cover  tables with useful information on inside back cover  Looking Ahead at the start of each chapter  Learning Goals at the beginning of each section  a Glossary and Index at end of text

© 2013 Pearson Education, Inc.

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Chapter Features
 Before reading, review topics in Looking Ahead.  Review Learning Goals at the beginning of each section.  Solve Concept Checks to help you understand the key ideas in each chapter.  After reading, work through Sample Problems and try the associated Study Checks.  Work the sets of Questions and Problems at the end of each section.

© 2013 Pearson Education, Inc.

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Chapter Links to Real-Life
Throughout the chapters, there are features that help you connect the concepts to real-life situations including  Chemistry Link to Health,  Chemistry Link to the Environment,  Chemistry Link to Industry, and  Chemistry Link to History.

© 2013 Pearson Education, Inc.

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Chapter Figures
Many figures and diagrams contain macro-to-micro illustrations that  depict the atomic level of...
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