character: Dr. Lee
topic: Understanding Activation Energy
grade: 9
subject: Chemistry
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character: Dr. Carter
topic: Factors Affecting Reaction Rates
grade: 9
subject: Chemistry
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character: Mr. Kim
topic: The Role of Catalysts in Chemical Reactions
grade: 9
subject: Chemistry
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character: Ms. Patel
topic: Energy Changes in Chemical Reactions
grade: 9
subject: Chemistry
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