character: Professor Smith
topic: Enthalpy Changes in Reactions
grade: 11
subject: Chemistry
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character: Dr. Johnson
topic: Thermodynamics and Reaction Rates
grade: 11
subject: Chemistry
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character: Ms. Lee
topic: Calculating Enthalpy Changes Using Hess's Law
grade: 11
subject: Chemistry
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character: Mr. Patel
topic: Heat Transfer in Chemical Reactions
grade: 11
subject: Chemistry
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