By Raymond Chang

Designed for the two-semester basic chemistry direction, Chang’s best-selling textbook maintains to take a standard method and is frequently thought of a scholar and instructor favourite. The publication contains a basic, transparent writing kind and confirmed problem-solving options. It keeps the culture of delivering an organization origin in chemical recommendations and ideas whereas offering a wide variety of subject matters in a transparent, concise demeanour.
The re-creation of Chemistry keeps to strike a stability among conception and alertness by means of incorporating genuine examples and aiding scholars visualize the third-dimensional atomic and molecular buildings which are the root of chemical task. an essential component of the textual content is to increase students' problem-solving and important considering talents.
A hallmark of the 9th version is the combination of many instruments designed to motivate either scholars and teachers. The textbook is a origin for the unprecedented, powerful expertise that's built-in all through. The multimedia package deal for the hot version stretches scholars past the confines of the normal textbook.

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Extra info for Chemistry (10th Edition)

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Matter is anything that occupies space and has mass. Matter includes things we can see and touch (such as water, earth, and trees), as well as things we cannot (such as air). Thus, everything in the universe has a “chemical” connection. 4 Classifications of Matter 11 Chemists distinguish among several subcategories of matter based on composition and properties. The classifications of matter include substances, mixtures, elements, and compounds, as well as atoms and molecules, which we will consider in Chapter 2.

If a theory is disproved by experiment, then it must be discarded or modified so that it becomes consistent with experimental observations. Proving or disproving a theory can take years, even centuries, in part because the necessary technology may not be available. Atomic theory, which we will study in Chapter 2, is a case in point. It took more than 2000 years to work out this fundamental principle of chemistry proposed by Democritus, an ancient Greek philosopher. A more contemporary example is the Big Bang theory of the origin of the universe discussed on page 10.

Water is made up of two parts hydrogen and one part oxygen. This composition does not change, regardless of whether the water comes from a faucet in the United States, a lake in Outer Mongolia, or the ice caps on Mars. Thus, water is a compound, a substance composed of atoms of two or more elements chemically united in fixed proportions. Unlike mixtures, compounds can be separated only by chemical means into their pure components. 5. Review of Concepts Which of the following diagrams represent elements and which represent compounds?

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