character: Dr. Kim
topic: Chemical Reactions and Stoichiometry
grade: 11
subject: Chemistry
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character: Professor Lee
topic: Balancing Chemical Equations
grade: 11
subject: Chemistry
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character: Ms. Patel
topic: Mole Concept and Its Applications
grade: 11
subject: Chemistry
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character: Mr. Chen
topic: Types of Chemical Reactions
grade: 11
subject: Chemistry
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