character: Dr. Smith
topic: Catalysts and Their Role in Reaction Speed
grade: 9
subject: Chemistry
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character: Dr. Johnson
topic: Introduction to Catalysts and Their Importance in Chemistry
grade: 9
subject: Chemistry
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character: Ms. Lee
topic: How Catalysts Affect Reaction Rates
grade: 9
subject: Chemistry
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character: Mr. White
topic: Enzymes as Biological Catalysts
grade: 9
subject: Chemistry
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