character: N/A
topic: Balancing Act, Understanding the Law of Conservation of Mass
grade: 9
subject: Chemistry
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character: Mr. Thompson
topic: Chemical Reactions and Stoichiometry
grade: 9
subject: Chemistry
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character: Dr. Lee
topic: Introduction to Chemical Equations
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Matter and Its Changes
grade: 9
subject: Chemistry
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