jan 1, 1811 - Amedeo Avogadro Published a paper that stated "equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules." This is what is currently known as Avogadro's law. Fun fact: Avogadro's full name was Lorenzo Romano Amedeo Carlo Avogadro di Quaregna e di Cerreto

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Published a paper that stated "equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules." This is what is currently known as Avogadro's law.

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