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  All Courses, Chemistry Chem 1: Periodic Table38 Lessons $39.99  
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  All Courses, Chemistry Chem 2: Metals Reactivity42 Lessons $39.99  
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  All Courses, Chemistry Chem 3: Reactivity Series42 Lessons $39.99  
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  All Courses, Chemistry Chem 4: Chemical Reactions and Energy Changes42 Lessons $39.99  
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  All Courses, Chemistry Chem 5: Experimenting with Endothermic and Exothermic Reactions32 Lessons $39.99  
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  All Courses, Chemistry Chem 6: Affecting the Rate of Reaction29 Lessons $39.99  
