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Jean Baptiste André Dumas (French pronunciation: [ʒɑ̃ batist ɑ̃dʁe dyma]; 14 July 1800 – 10 April 1884) was a French chemist, best known for his works on organic analysis and synthesis, as well as the determination of atomic weights (relative atomic masses) and molecular weights by measuring vapor densities.
In February 1848, Alexandre Dumas (Gérard Depardieu) is at the height of his fame. He has withdrawn for a few days into the immense Château de Monte-Cristo near Le Port-Marly, that he is building. There he works with his collaborator, Auguste Maquet (Benoît Poelvoorde). If the books bear Dumas' name, the tiring work undertaken by Maquet is ...
Jean-Baptiste Dumas used the terms "physical atoms" and "chemical atoms"; a "physical atom" was a particle that cannot be divided by physical means such as temperature and pressure, and a "chemical atom" was a particle that could not be divided by chemical reactions. [27]
He devised a systematic nomenclature for organic chemistry based on structural grouping of atoms within molecules to determine how the molecules combine in organic reactions. He studied under Jean-Baptiste Dumas as a laboratory assistant and worked with Charles Frédéric Gerhardt. He died in Paris from tuberculosis.
Thirty-two years previously, Jean-Baptiste Dumas, appointed chemistry tutor at the École polytechnique in 1824, had created a small personal laboratory there, the school no longer having research equipment. He maintained this laboratory at his own expense until the revolution of 1848 following which he occupied important political functions.
In 1834, French chemist Jean-Baptiste Dumas determined chloroform's empirical formula and named it: [26] "Es scheint mir also erweisen, dass die von mir analysirte Substanz, … zur Formel hat: C 2 H 2 Cl 6." (Thus it seems to me to show that the substance I analyzed … has as [its empirical] formula: C 2 H 2 Cl 6.). [Note: The coefficients of ...
Produced by Norman Rosemont for ITC Entertainment, it stars Richard Chamberlain as King Louis XIV and his twin Philippe, Patrick McGoohan as Nicolas Fouquet, Ralph Richardson as Jean-Baptiste Colbert, Louis Jourdan as D'Artagnan, and Ian Holm as the Chevalier Duval, with Jenny Agutter plays Louis XIV's mistress, Louise de la Vallière and ...
Alexandre Dumas [a] (born Dumas Davy de la Pailleterie, [b] 24 July 1802 – 5 December 1870), [1] [2] also known as Alexandre Dumas père, [c] was a French novelist and playwright. His works have been translated into many languages and he is one of the most widely read French authors.