character: Mrs. Lee
topic: Catalysts and Their Effects on Reactions
grade: 9
subject: Chemistry
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character: Mr. Smith
topic: Introduction to Chemical Reactions
grade: 9
subject: Chemistry
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character: Dr. Patel
topic: Enzymes as Catalysts in Biological Reactions
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Factors Affecting Reaction Rates
grade: 9
subject: Chemistry
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