character: Professor Smith
topic: Understanding Phase Changes in Chemistry
grade: 11
subject: Chemistry
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character: Dr. Johnson
topic: States of Matter and Phase Transitions
grade: 11
subject: Chemistry
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character: Ms. Carter
topic: Thermodynamics and Phase Changes
grade: 11
subject: Chemistry
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character: Mr. Lee
topic: The Role of Energy in Phase Changes
grade: 11
subject: Chemistry
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