character: Catalyst Carl
topic: Role of Catalysts in Chemical Reactions
grade: 9
subject: Chemistry
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character: Chemistry Champ
topic: Introduction to Chemical Reactions
grade: 9
subject: Chemistry
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character: Reaction Rachel
topic: Types of Chemical Reactions
grade: 9
subject: Chemistry
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character: Energy Eddie
topic: Activation Energy in Reactions
grade: 9
subject: Chemistry
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