character: Mr. Johnson
topic: Energy Changes in Reactions
grade: 11
subject: Chemistry
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character: Ms. Smith
topic: Thermodynamics in Chemistry
grade: 11
subject: Chemistry
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character: Dr. Lee
topic: Endothermic and Exothermic Reactions
grade: 11
subject: Chemistry
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character: Mrs. Patel
topic: Reaction Rates and Energy Profiles
grade: 11
subject: Chemistry
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