character: Mrs. Sara Thompson
topic: Introduction to Hess's Law and Enthalpy
grade: 11
subject: Chemistry
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character: Mr. John Smith
topic: Understanding Enthalpy Changes
grade: 11
subject: Chemistry
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character: Ms. Emily Johnson
topic: Thermodynamics and Hess's Law Applications
grade: 11
subject: Chemistry
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character: Dr. Lisa Carter
topic: Calculating Enthalpy Using Hess's Law
grade: 11
subject: Chemistry
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