character: Mr. Dalton
topic: Balancing Chemical Equations Explained
grade: 9
subject: Chemistry
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character: Professor O'Hara
topic: Understanding Reactants and Products
grade: 9
subject: Chemistry
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character: Ms. Patel
topic: Stoichiometry Basics
grade: 9
subject: Chemistry
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character: Mr. Rivera
topic: The Law of Conservation of Mass
grade: 9
subject: Chemistry
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