Preface of chemistry for engineering students 2nd edition
The study of chemistry involves a vast number of concepts and skills. The philosophy of this book is to present those basic ideas and also to apply them to aspects of engineering where chemistry is important. Each chapter will begin with an example of chemistry related to engineering. Some of these examples, such as the burning of fuels, will involve fairly clear applications of chemical principles and reactions. In other cases, the role of chemistry may be less immediately apparent. In Chapter 6, we will consider how evolving knowledge of chemical properties has driven the design of different light sources, from the simple incandescent bulb through modern lasers and organic light emitting diodes (OLEDs). Other themes will involve the design and selection of materials for various uses and the importance of chemistry in environmental engineering problems. All of these chapter-opening sections have titles that begin with “Insight into . . . ,” and the questions that are raised in them will guide our exploration of the relevant fundamentals of chemistry presented throughout that chapter.
Our first case considers the production of aluminum and the history of aluminum as a structural material.
Chapter Objectives
- After mastering this chapter, you should be able to describe how chemistry and engineering helped transform aluminum from a precious metal into an inexpensive structural material.
- explain the usefulness of the macroscopic, microscopic, and symbolic perspectives in understanding chemical systems.
- draw pictures to illustrate simple chemical phenomena (like the differences among solids, liquids, and gases) on the molecular scale.
- explain the difference between inductive and deductive reasoning in your own words.
- use appropriate ratios to convert measurements from one unit to another.
- express the results of calculations using the correct number of significant figures.
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