character: Mr. David Lee
topic: Understanding Activation Energy
grade: 12
subject: Chemistry
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character: Mrs. Jane Smith
topic: Factors Affecting Activation Energy
grade: 12
subject: Chemistry
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character: Dr. Emily Chen
topic: The Role of Catalysts in Activation Energy
grade: 12
subject: Chemistry
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character: Mr. John Doe
topic: Comparative Study of Activation Energies in Chemical Reactions
grade: 12
subject: Chemistry
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