character: Emily Chen
topic: Chemical Reactions and Energy Changes
grade: 9
subject: Chemistry
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character: Jamie Lin
topic: Types of Chemical Reactions
grade: 9
subject: Chemistry
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character: Alex Rivera
topic: Enthalpy and Thermodynamics in Chemistry
grade: 9
subject: Chemistry
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character: Sofia Patel
topic: Balancing Chemical Equations and Energy Changes
grade: 9
subject: Chemistry
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