Welcome to the Companion Website for Chemistry for Changing Times, 10^th edition, by John W. Hill and Doris K. Kolb. Built to complement the text as part of an integrated course package, this site uses the World Wide Web’s resources to enhance your chemistry course.

To enter the site, click on the "Jump to" menu above, and select a chapter.

Key Features:

• MediaLabs: Now in every chapter, MediaLabs allow you to explore a topic in detail, visit several sites in Web Investigations, and compose answers that you can submit to your instructor online.
• New! Research Navigator: This search tool gives you access to chemical journals, New York Times articles, and chemistry organizations, for researching topics from each chapter.
• Web References: All of the book's marginal Web References are live and regularly maintained here, to give you current sites on book-related topics.
• Group Projects: The Group Projects at the end of each chapter in your book can be answered by using this module to search the key terms supplied here, and linking to your choice of popular Web search engines.
• Practice Questions: This is a set of practice questions for each chapter, featuring hints and instant feedback, allowing you to test your understanding of the chapter.

Instructor Resources
(Coming Soon)