character: Professor Lee
topic: Enthalpy and Reaction Energy
grade: 11
subject: Chemistry
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character: Professor Smith
topic: Thermodynamics in Chemical Reactions
grade: 11
subject: Chemistry
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character: Dr. Carter
topic: Calculating Enthalpy Changes
grade: 11
subject: Chemistry
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character: Ms. Johnson
topic: Energy Conservation in Chemical Reactions
grade: 11
subject: Chemistry
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