character: Noah
topic: Energy Changes in Chemical Reactions
grade: 9
subject: Chemistry
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character: Jessica
topic: Endothermic and Exothermic Reactions
grade: 9
subject: Chemistry
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character: Ethan
topic: Activation Energy and Catalysts
grade: 9
subject: Chemistry
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character: Mia
topic: Thermodynamics in Chemical Reactions
grade: 9
subject: Chemistry
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