character: Dr. Johnson
topic: The Impact of Catalysts on Reaction Speed
grade: 9
subject: Chemistry
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character: Ms. Thompson
topic: Understanding Reaction Rates in Chemistry
grade: 9
subject: Chemistry
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character: Mr. Lee
topic: The Role of Catalysts in Chemical Reactions
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: Factors Affecting Reaction Speed
grade: 9
subject: Chemistry
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