15 июл 1743 г. - Lavoisier
Описание:
Date: 1743 - 1794Country: France
Contribution: He created the Law of Conservation of matter, which states that matter is not lost nor gained during or after a chemical reaction. He debunked the phlogiston theory (Which says that phlogiston was lost during combustion).
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15 июл 1743 г.
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~ 282 г назад