character: Dr. Sarah Patel
topic: Energy Changes in Chemical Reactions
grade: 11
subject: Chemistry
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character: Mr. Jason Lee
topic: Thermodynamics in Chemistry
grade: 11
subject: Chemistry
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character: Ms. Emily Wang
topic: Endothermic and Exothermic Reactions
grade: 11
subject: Chemistry
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character: Dr. Michael Chang
topic: Enthalpy and Reaction Energy
grade: 11
subject: Chemistry
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