Chemistry, 15th Edition, continues a long-standing tradition of providing a firm foundation in the concepts of chemical principles while instilling an appreciation for the important role chemistry plays in our daily lives. This text provides a balance of theory and application, while illustrating the principles with applicable examples. In an effort to present the material in this text to the widest range of students, the content and artwork of this edition has been reviewed and updated to improve accessibility and ensure that it reflects the diverse student audience for whom it is written. The color contrast in many figures has been adjusted for better visibility, and it is hoped that the photos in the text better represent a diverse audience.