character: Professor Mole
topic: Concentration and Reaction Rates
grade: 9
subject: Science
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character: Dr. Reacto
topic: Factors Affecting Chemical Reactions
grade: 9
subject: Science
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character: Chemical Charlie
topic: Molarity and Solutions
grade: 9
subject: Science
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character: Speedy Synth
topic: Catalysts and Their Effects on Reaction Rates
grade: 9
subject: Science
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