character: Dr. Sarah Lee
topic: Introduction to Alkanes, Alkenes, and Alkynes
grade: 12
subject: Chemistry
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character: Mr. John Smith
topic: Properties of Alkanes
grade: 12
subject: Chemistry
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character: Ms. Emily Johnson
topic: Reactions of Alkenes
grade: 12
subject: Chemistry
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character: Dr. Michael Brown
topic: Understanding Alkynes
grade: 12
subject: Chemistry
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