Vacuum and it's application in chemistry.
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The group of brutal technicians: brutalengineer
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Video:
Mole of substance: • Моль. Количество веще...
Titan: • Титан / Titanium. Хими...
Iodine: www.youtube.com/watch?v=SOiO8eLy
Silicon: • Кремний. Химия - просто
Over the release worked:
Alexander Ivanov (research engineer);
Vladimir Volkovich (PhD);
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5 фев 2017