Iodine Clock Reaction (Concentration and Rate) Elephant's Toothpaste (Catalyst) Activated Complex (Temperature and Rate) Chemistry 202Course AnnouncementsContact Info and Office HoursCourse InformationVideos for Exam I MaterialVideos for Exam II MaterialVideos for Exam III MaterialOWL Text HomeworkLon-CapaOnline GradebookExam InformationChemistry Learning CenterCLC HomepageCourse WebsitesTutoring ServicesOnline ResourcesOther ServicesLocationTutorials