character: Dr. Reacto
topic: Exothermic and Endothermic Reactions
grade: 9
subject: Chemistry
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character: Chemistry Carl
topic: Thermodynamics in Chemical Reactions
grade: 9
subject: Chemistry
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character: Energy Emma
topic: Energy Changes in Chemical Reactions
grade: 9
subject: Chemistry
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character: Molecule Max
topic: Types of Chemical Reactions: A Summary
grade: 9
subject: Chemistry
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