1.1 Chemistry and Chemicals General, Organic, and Biological Chemistry Fourth Edition Karen Timberlake Chapter 1 Chemistry and Measurements 1.1 Chemistry and Chemicals Lectures © 2013 Pearson Education, Inc.

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

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.

Field of Chemistry The field of chemistry is divided into branches. General Chemistry Organic Chemistry Biochemistry Biochemists analyze samples in a laboratory.

Alchemists: Early Chemists 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.

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.

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

Chemicals Commonly Used in Toothpaste

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

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.