character: Mr. Johnson
topic: The Role of Energy in Chemical Reactions
grade: 11
subject: Chemistry
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character: Ms. Smith
topic: Enthalpy and Thermodynamics in Chemistry
grade: 11
subject: Chemistry
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character: Dr. Brown
topic: Activation Energy and Reaction Rates
grade: 11
subject: Chemistry
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character: Mrs. Green
topic: Catalysts and Their Effects on Energy Changes
grade: 11
subject: Chemistry
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