Facts101 is your complete guide to Chemistry, The Molecular Nature of Matter and Change. In this book, you will learn topics such as Stoichiometry of Formulas and Equations, Three Major Classes of Chemical Reactions, Gases and the Kinetic-Molecular Theory, and Thermochemistry: Energy Flow and Chemical Change plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.