character: Professor Element
topic: Chemical Reactions
grade: 11
subject: Chemistry
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character: Dr. Reacto
topic: Exothermic and Endothermic Reactions
grade: 11
subject: Chemistry
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character: Captain Catalyst
topic: Catalysts in Chemical Reactions
grade: 11
subject: Chemistry
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character: Ms. Molecule
topic: Balancing Chemical Equations
grade: 11
subject: Chemistry
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