character: Charlie
topic: Energy Transfer in Chemical Reactions
grade: 9
subject: Chemistry
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character: Emma
topic: Endothermic and Exothermic Reactions
grade: 9
subject: Chemistry
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character: Liam
topic: Catalysts and Energy Change
grade: 9
subject: Chemistry
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character: Sophia
topic: Thermochemistry and Reaction Rates
grade: 9
subject: Chemistry
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