character: Ms. Lee
topic: Enthalpy and Reaction Rates
grade: 9
subject: Chemistry
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character: Mr. James
topic: Thermodynamics Basics
grade: 9
subject: Chemistry
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character: Dr. Chen
topic: Factors Affecting Reaction Rates
grade: 9
subject: Chemistry
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character: Ms. Patel
topic: Understanding Activation Energy
grade: 9
subject: Chemistry
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