Matter and Energy
Chemists deal with matter. Matter occurs in many forms with certain observable properties. One easily observable property of matter is density, which is the mass of a sample of matter divided by its volume. It’s possible to alter matter either physically or chemically. All alterations involve energy.
The Problems You’ll Work On
In this chapter, you work with matter and energy in the following ways:
Describing phases of matter
Classifying matter as substances and mixtures
Understanding properties of matter
Calculating energy and temperature
What to Watch Out For
Remember the following when working on matter and energy:
Know the properties of solids, liquids, and gases on microscopic and macroscopic levels.
Remember that a density must have ...