character: Ms. Taylor
topic: Energy Changes during Melting and Boiling
grade: 12
subject: Chemistry
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character: Mr. Johnson
topic: Phase Changes and Energy Transformation
grade: 12
subject: Chemistry
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character: Dr. Smith
topic: Thermodynamics of Phase Transitions
grade: 12
subject: Chemistry
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character: Ms. Lee
topic: Heat Transfer in Physical Changes
grade: 12
subject: Chemistry
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