character: Dr. Emily Carver
topic: Chemical Reactions and Energy Changes
grade: 12
subject: Chemistry
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character: Professor John Smith
topic: Thermodynamics in Chemical Reactions
grade: 12
subject: Chemistry
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character: Dr. Maria Lopez
topic: Endothermic and Exothermic Reactions
grade: 12
subject: Chemistry
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character: Dr. Alan Chen
topic: Energy Conservation in Chemical Processes
grade: 12
subject: Chemistry
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