Alchemy was an ancient branch of natural philosophy, a philosophical and protoscientific tradition practised throughout Europe, Africa, and Asia, originating in Greco-Roman Egypt in the first few centuries. Alchemists attempted to purify, mature, and perfect certain materials.

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    Chemistry Knowledge Expansion 2 hari left
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    I have some topics I would like more information help understanding regarding general chemistry in the following areas: Atom, molecules, atomic mass , chemical reactions, molarity, reactions in aqueous solutions, energy / thermochemistry, gases and their properties and periodic trends

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    Hi there .. i am looking for some help with my pharm chemistry .. please bid if you can help me

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