character: Dr. Huang
topic: Kinetic and Potential Energy in Reactions
grade: 12
subject: Chemistry
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character: Dr. Chen
topic: Thermodynamics in Chemical Reactions
grade: 12
subject: Chemistry
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character: Professor Smith
topic: Energy Changes in Chemical Reactions
grade: 12
subject: Chemistry
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character: Ms. Johnson
topic: Understanding Enthalpy and Energy Transformations
grade: 12
subject: Chemistry
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