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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.
Dumas (original title: L'Autre Dumas) is a 2010 French film directed by Safy Nebbou about 19th-century French author ... Alexis Michalik – Jean-Baptiste Béraud;
Hard Truths is a 2024 comedy-drama film written and directed by Mike Leigh, starring Marianne Jean-Baptiste, Michele Austin, and David Webber.Set in London, its plot follows the plight of a depressed and nay-saying woman (Jean-Baptiste) and the relationship with her jovial sister Chantelle (Austin).
The first trailer for Mike Leigh’s latest feature “Hard Truths” had been unveiled, showing its lead star Marianne Jean-Baptiste embarking on an angry rampage against supermarket check out ...
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. [26]
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 ...
Kino Lorber has bought all North American distribution rights to Jean-Luc Godard’s final short film “Trailer of a Film That Will Never Exist: Phony Wars.” The 20-minute short played at this ...
He collaborated with Jean-Baptiste Dumas, and together they discovered the methyl radical during experiments on wood spirit . The terminology "methyl alcohol" was created by both chemists from "wood wine". They also prepared the gaseous dimethyl ether, and many esters.