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Chemistry, 7/e
Raymond Chang, Williams College

Chang's Chemistry is the most concise, accurate and straightforward text for the two-semester general chemistry course for science majors. The strength of the seventh edition is the integration of many tools that are designed to inspire both students and instructors. The textbook is the foundation for the technology. The multimedia package for the new edition stretches students beyond the confines of the traditional textbook.

Students, you may have received a passcode card with your text. At this time, this Online Learning Center is not passcode-protected, so no special code is needed. You can access the student materials on this site without using the code on the card.

Optimize your study time. Elevate your grade!

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GradeSummit is a self-assessment and diagnostic service for students aimed at helping them make the most efficient use of their study time. This online service allows students to analyze what they know and don't know in order to quickly guide them to those subject areas where spending their study time will help them most.
For more information students and instructors should visit