character: Mr. Lee
topic: Types of Chemical Reactions
grade: 12
subject: Chemistry
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character: Ms. Johnson
topic: Balancing Chemical Equations
grade: 12
subject: Chemistry
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character: Dr. Smith
topic: Reaction Rates and Catalysts
grade: 12
subject: Chemistry
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character: Professor Adams
topic: Acid-Base Reactions
grade: 12
subject: Chemistry
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