character: Dr. Lee
topic: Chemical Reactions and pH Measurement
grade: 9
subject: Chemistry
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character: Ms. Smith
topic: Acids, Bases, and pH Levels
grade: 9
subject: Chemistry
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character: Mr. Johnson
topic: Understanding Chemical Equations
grade: 9
subject: Chemistry
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character: Dr. Kim
topic: Effects of Temperature on Reaction Rates
grade: 9
subject: Chemistry
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