Chemical Principles

Chemical Principles, 8th Edition, by Steven S. Zumdahl and Donald J. DeCoste, is an introductory general chemistry textbook published by Cengage Learning. Designed for science majors and engineering majors who possess solid mathematical preparation, the volume establishes fundamental quantitative models and conceptual frameworks across the discipline.

The content synthesizes core chemical concepts across multiple foundational domains. Initial sections focus on stoichiometry, gases, and thermodynamics to explain matter and energy balance. The text then addresses chemical kinetics, chemical equilibrium, acids and bases, aqueous equilibria, and electrochemistry. Later topics integrate quantum mechanics, atomic structure, chemical bonding, liquids and solids, properties of solutions, and organic and biochemical molecules.

To strengthen practical reasoning, the Eighth Edition introduces a section titled "Solving a Complex Problem" that guides students in tackling multi-step quantitative scenarios with flexibility and creativity. This approach provides structured support for students pursuing rigorous academic tracks in engineering and the physical sciences.