Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 1 - Section 1.1 - Chemistry and Chemicals - Figure 1.1: 1

Answer

a. Chemistry is the study of the composition, structure, properties, and reactions of matter. b. A chemical is a substance that has the same composition and properties wherever it is found.

Work Step by Step

Many people think that chemistry happens only in a laboratory, however that is not true. Chemistry happens everywhere every day, for example when you cook or digest food many chemical reactions occur. Therefore Chemistry is the study of the composition, structure, properties, and reactions of matter. Everything around us is composed of one or more chemicals, for example chemicals in lotions are often used to moisturize, prevent deterioration of the product, fight bacteria, and thicken the product. Your breakfast cereal probably contains chemicals like iron and calcium. These substances also known as chemicals have the same composition and properties wherever they are found, e.g. calcium has the same composition and properties in your milk and in your cereal.
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