character: Professor Lee
topic: The Law of Conservation of Energy
grade: 12
subject: Chemistry
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character: Dr. Smith
topic: Energy Transformation in Chemical Reactions
grade: 12
subject: Chemistry
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character: Ms. Johnson
topic: The Principle of Energy Conservation in Physics
grade: 12
subject: Chemistry
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character: Mr. Thompson
topic: Applications of the Conservation of Energy in Everyday Life
grade: 12
subject: Chemistry
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