character: Mr. Johnson
topic: Chemical Catalyst and Reaction Rates
grade: 11
subject: Chemistry
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character: Mrs. Smith
topic: Enzyme Activity and Catalysts
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: Factors Affecting Reaction Rates
grade: 11
subject: Chemistry
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character: Mr. Thompson
topic: Types of Catalysts in Chemical Reactions
grade: 11
subject: Chemistry
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