character: Ms. Johnson
topic: Types of Chemical Energy
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Potential and Kinetic Energy in Chemical Reactions
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Energy Changes in Exothermic and Endothermic Reactions
grade: 9
subject: Chemistry
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character: Ms. Johnson
topic: Importance of Chemical Energy in Everyday Life
grade: 9
subject: Chemistry
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