character: Mr. Johnson
topic: Calculating Energy Changes in Chemical Reactions
grade: 12
subject: Chemistry
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character: Ms. Smith
topic: Thermodynamics in Chemistry
grade: 12
subject: Chemistry
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character: Dr. Lee
topic: Enthalpy and Chemical Reactions
grade: 12
subject: Chemistry
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character: Professor White
topic: Heat Transfer during Reactions
grade: 12
subject: Chemistry
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