1797Joseph Proust Proposes the Law of Definite Proportions

Joseph Proust proposes the law of definite proportions, whic...
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1782
1789
1797
1811
1864

⚖️ Antoine Lavoisier Proposes Conservation of Mass

Antoine Lavoisier Proposes Conservation of Mass (1782)
ChemistryLaw of Conservation of MassLavoisierStoichiometryQuantitative Analysis18th CenturyScientific RevolutionChemical Reactions
FranceFrance

📚 Antoine Lavoisier Publishes Traité Élémentaire de Chimie

Antoine Lavoisier publishes Traité Élémentaire de Chimie, the first modern chemistry textbook. It is a complete survey of (at that time) modern chemistry, including the first concise definition of the law of conservation of mass, and thus also represents the founding of the discipline of stoichiometry or quantitative chemical analysis.
Antoine Lavoisier Publishes Traité Élémentaire de Chimie (1789)
ChemistryTextbookLavoisierModern ChemistryStoichiometry18th CenturyScientific RevolutionChemical Analysis
FranceFrance

⚛️ Joseph Proust Proposes the Law of Definite Proportions

Joseph Proust proposes the law of definite proportions, which states that elements always combine in small, whole number ratios to form compounds.
Joseph Proust Proposes the Law of Definite Proportions (1797)
ChemistryLaw of Definite ProportionsProustChemical Composition18th CenturyStoichiometryChemical Compounds
FranceFrance

🎈 Avogadro Proposes Law of Gases

Amedeo Avogadro proposes Avogadro's law, that equal volumes of gases under constant temperature and pressure contain equal number of molecules.
Avogadro Proposes Law of Gases (1811)
ChemistryGas LawsAvogadro's LawMoleculesAmedeo Avogadro19th Century SciencePhysical ChemistryIdeal Gas
ItalyItaly

🎵 Newlands Proposes Law of Octaves

John Newlands proposes the law of octaves, a precursor to the periodic law.
Newlands Proposes Law of Octaves (1864)
Law of OctavesPeriodic LawChemistryJohn NewlandsElement Classification19th Century SciencePeriodic Table
United KingdomUnited Kingdom