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ChemistryChemical Equations
Chemical equations are an efficient way to describe chemical reactions. This module explains the shorthand...
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ChemistryChemical Bonding
The millions of different chemical compounds that make up everything on Earth are composed of...
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Scientists and ResearchAtmospheric Chemistry Research that Changed Global Policy
This module traces the life and scientific research of Mario Molina, the first Mexican-born chemist...
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