(http://www.prenhall.com/mcmurry )

Built to complement the text as part of an integrated course package, the easy-to-use Companion Website features the following content: learning goals, practice quizzes, media-infused assessment items, medical dosage calculation problems, correlated Virtual ChemLab activities, fully manipulable 3-D molecule galleries, a reference center, math tutorial, and links to chemistry-related career interests. Instructors have the choice to assign any of the online self-grading activities for homework credit or simply allow students to work at their own pace.