15 jul 1743 año - Lavoisier
Descripción:
Date: 1743 - 1794
Country: 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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fecha:
15 jul 1743 año
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~ 281 years ago
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