character: Mr. Lee
topic: Understanding Activation Energy in Reactions
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Chemical Reactions and Energy Changes
grade: 9
subject: Chemistry
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character: Dr. Smith
topic: The Role of Catalysts in Activation Energy
grade: 9
subject: Chemistry
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character: Professor Adams
topic: Thermodynamics and Reaction Kinetics
grade: 9
subject: Chemistry
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