character: Student B
topic: Understanding Endothermic and Exothermic Reactions
grade: 9
subject: Chemistry
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character: Student A
topic: Chemical Reactions: Types and Examples
grade: 9
subject: Chemistry
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character: Teacher
topic: Explaining Endothermic and Exothermic Processes
grade: 9
subject: Chemistry
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character: Student C
topic: Energy Changes in Chemical Reactions
grade: 9
subject: Chemistry
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