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Chemistry Demo
852 0
11:27
Lab Safety Video
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The Power Of Thermite
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Chemistry class
902 0
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Velvet "Chemistry"
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14:13
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Science project
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ChemistryHonors0149
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Chemistry
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Periodic table
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52:40
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EC 2.2 Balance by OxNumb
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The Alkali Metals
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Chemistry Can Be Fun
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Q&A Panel - Google Scienc
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