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Topic: Berthollet


In the News (Wed 15 Feb 12)

  
  Claude Louis Berthollet - LoveToKnow Watches   (Site not responding. Last check: 2007-10-11)
CLAUDE LOUIS BERTHOLLET (1748-1822), French chemist, was born at Talloire, near Annecy in Savoy, on the 9th of December 17 4 8.
On the fall of the Directory by was made a senator and grand officer of the Legion of Honour; under the empire he became a count; and after the restoration of the Bourbons he took his seat as a peer.
Berthollet's most remarkable contribution to chemistry was his Essai de statique chimique (1803), the first systematic attempt to grapple with the problems of chemical physics.
49.1911encyclopedia.org /B/BE/BERTHOLLET_CLAUDE_LOUIS.htm   (289 words)

  
 Joseph Proust - Wikipedia, the free encyclopedia
But this was short-lived because in 1808 Proust was forced back to his home country due to the fall of Carlos IV The best-known events in Proust’s life dealt with the controversy he had with chemist C.L. Berthollet.
Proust’s largest improvement into the realm of science was disproving Berthollet with the law of definite proportions, which is sometimes also known as Proust’s Law (Encarta 2005).
Proust then went on to show how Berthollet was incorrect in his own chemical analyses by showing that Berthollet treated some of the chemicals he used as oxides, when they were actually hydrates containing chemically-bonded water.
en.wikipedia.org /wiki/Joseph_Proust   (509 words)

  
 USF Department of Chemistry - Faculty Genealogy   (Site not responding. Last check: 2007-10-11)
Berthollet had, according to Weller (1999) "determined the composition of ammonia in 1785, prussic acid in 1787, and hydrogen sulfide in 1789.
Berthollet was also a friend and confidante of Napoleon Bonaparte (1869-1821), and was one of the savants who went with Napoleon on the Egyptian campaign in 1998.
Berthollet was later cited for bravery in Egypt, and was rewarded financially and in other ways..
www.cas.usf.edu /chemistry/new/faculty/berthollet.php3?page=berthollet   (412 words)

  
 Berthollet   (Site not responding. Last check: 2007-10-11)
In 1785, Berthollet established the composition of hydrogen sulphide.
Berthollet supported the antiphlogistic combustion theories of Lavoisier but he opposed him with his theory that oxygen is the fundamental acidifying principle.
In 1789, the use of chlorine as a bleaching agent was proposed by Berthollet.
www.hh.schule.de /comenius/montargis/Berthollet.html   (148 words)

  
 Claude Louis Berthollet Biography / Biography of Claude Louis Berthollet Main Biography
Claude Louis Berthollet was born on Dec. 9, 1748, in the village of Galloire on Lake Annecy.
In 1778 Berthollet married and took a second doctorate in medicine at the University of Paris, where his Italian degree was not recognized.
In 1785 Berthollet adopted the new system of chemistry based upon the oxidation theory of combustion, developed by the French chemist A. This is a free excerpt.
www.bookrags.com /biography-claude-louis-berthollet   (256 words)

  
 Combination by Volume: Gay-Lussac
M. Berthollet, who has analysed this salt, obtained by passing carbonic gas into the sub-carbonate, found that it was composed of 73.34 parts by weight of carbonic gas and 26.66 of ammonia gas.
But M. Berthollet, who thinks that combinations are made continuously, cites in proof of his opinion the acid sulphates, glass alloys, mixtures of various liquids,--all of which are compounds with very variable proportions, and he insists principally on the identity of the force which produces chemical compounds and solutions.
We must first of all admit, with M. Berthollet, that chemical action is exercised indefinitely in a continuous manner between the molecules of substances, whatever their number and ratio may be, and that in general we can obtain compounds with very variable proportions.
web.lemoyne.edu /~giunta/EA/GAYLUSSACann.HTML   (7815 words)

  
 Berthollet, Claude Louis
In 1784 he became director of the national Gobelin factories and in 1794 professor of chemistry at the Ecole polytechnique.
Berthollet was one of the first chemists to adopt Antoine Lavoisier´s antiphlogistic system.
Berthollet was considered one of the leading chemists of his time and was greatly honoured during his lifetime.
www.euchems.org /Distinguished/18thCentury/berthollet.asp   (114 words)

  
 Sources of Energy | Berthollet and Senebier   (Site not responding. Last check: 2007-10-11)
Berthollet reasoned that this oxygen would be released.
Berthollet had shown that the hydrogen had to come from water, but Senebier must not have been convinced.
Maybe the oxygen from the water went somewhere else in the plant, and the oxygen came from the carbon dioxide, which Senebier did show was needed for the process to occur.
www2.nsta.org /Energy/find/primer/primer2_14.html   (424 words)

  
 1807 - Arcueil - Société d'Arcueil - History of Scholarly Societies
According to Crosland (1967), p.1, Berthollet and Laplace were able to act as patrons only because of income that they received from the state, in part because they were personal friends of Napoleon Bonaparte himself.
Crosland (1967), p.280 notes that Berthollet bought his house in Arcueil in the late summer of 1801, and that his patronage and encouragement of young men interested in science was centred around Arcueil from that point.
According to Crosland (1967), pp.289-290, Berthollet, the patron of the Society, became much less active after the end of 1813, and this brought the Society to an end.
www.scholarly-societies.org /history/1807sda.html   (719 words)

  
 The New York Review of Books: WHAT BERTHOLLET WROTE
But to claim that the relevant chemist (Berthollet, not Berthelot) "discovered that ammonia consists of one atom of nitrogen and three atoms of hydrogen" perpetrates a few anachronisms worth correcting.
I sparked 4 measures of [volatile alkali] with a superabundance of vital air in a volta eudiometer.
Berthollet himself did not accept John Dalton's atomic theory of chemical combination.
www.nybooks.com /articles/1377   (404 words)

  
 Ships of the Kafer War
The Claude-Louis Berthollet was armoured and equipped with a self-defence armament but this was limited and could be quickly overwhelmed.
Indeed the Berthollet was such an important asset the fleet commanders feared a Kafer ambush and a full squadron was in-system on the FTL shelf as an insurance policy.
As an interim measure the Claude-Louis Berthollet was refitted with appliqué armour and submunition dispensers and dispatched with the Liberation fleets to help in tracking down the Kafer bases.
www.users.globalnet.co.uk /~dheb/2300/Equipment/SG/SotKW/SotkW.htm   (2296 words)

  
 Claude Louis Berthollet Biography / Biography of Claude Louis Berthollet World of Chemistry Biography
Claude Berthollet was born into a French family living in the Savoy, a region of France that was then part of Italy.
In 1784 Berthollet became director of the Gobelins textile factory.
Like Scheele, Berthollet originally believed that chlorine was a compound of oxygen rather than an element.
www.bookrags.com /biography-claude-louis-berthollet-woc   (263 words)

  
 How did the Brazil nut tree get its name? - What's in a Name?   (Site not responding. Last check: 2007-10-11)
Berthollet determined the chemical formula of ammonia, prussic acid, and hydrogen sulfide.
Berthollet and Antoine Lavoisier collaborated on chemical nomenclature and the properties of acids.
Berthollet traveled with Napoleon to Egypt as chemist for the French army.
www.killerplants.com /whats-in-a-name/20020503.asp   (573 words)

  
 USF Department of Chemistry - Faculty Genealogy   (Site not responding. Last check: 2007-10-11)
For many faculty members, it was possible to trace the chain of academic advisors or genealogy back to three major chemists: Fourcroy, Berthollet, or Berzelius.
Preparation of the charts was coordinated by the CHM 4060 Instructor, assisted by students in the course, and assisted by cooperating faculty, and using literature sources.
It is hard to overlook the fact that our faculty, for the most part, are academically descended from three men: Berthollet, Berzelius, and Fourcroy.
www.cas.usf.edu /chemistry/new/faculty/genealogy.php3?page=gene   (197 words)

  
 Paris Apartment 2 Bedroom Place Monge - Mouffetard rue Berthollet
This bright 70 square meters 2 bedroom apartment is located rue Berthollet in the 5th arrondissement, on the 3rd French floor of 19th century building and it sleeps 4 people.
Subway: Censier- Dubenton - Area: Quartier Monge This apartment is located rue Berthollet in the 5th arrondissement two steps away from the charming square saint Medard on a typical Parisian place.
This apartment is located rue Berthollet in the 5th arrondissement two steps away from the charming square saint Medard on a typical Parisian place
www.parisattitude.com /apartment.asp?numProduit=348   (562 words)

  
 Science 122 Program 25 Atomic Theory
Briefly describe the controversy surrounding Berthollet and Proust.
Berthollet heated copper and tin (separate experiments) to form what seemed to him to be a continuous series of compounds of varying composition
Proust demonstrated that Berthollet was seeing various mixtures of two separate compounds of copper and two of tin
honolulu.hawaii.edu /distance/sci122/Programs/p25/p25.html   (2283 words)

  
 A Dictionary of Scientists: Berthollet, Comte Claude-Louis @ HighBeam Research   (Site not responding. Last check: 2007-10-11)
Berthollet, Comte Claude-Louis (1748–1822) French chemist Born in Talloires, France, Berthollet studied medicine at Turin and gained his MD in 1768.
He went to Paris in 1772 where he began publishing chemical researches in 1776 and was elected a member of the Académie Française in 1780.
When Berthollet published his important paper on chlorine, Mémoire sur l'acide marin déphlogistique (1785), he was the first French chemist to accept Antoine Lavoisier's new...
highbeam.com /doc/1O84:BertholletComteClaudeLous/Berthollet,+Comte+...   (152 words)

  
 AllRefer.com - Berthollet, Claude Louis, Comte (Chemistry, Biography) - Encyclopedia
AllRefer.com - Berthollet, Claude Louis, Comte (Chemistry, Biography) - Encyclopedia
Berthollet, Claude Louis, Comte[klOd lwE, kONt bertOlA´] Pronunciation Key, 1748–1822, French chemist.
More articles from AllRefer Reference on Berthollet, Claude Louis, Comte
reference.allrefer.com /encyclopedia/B/Bertholl.html   (190 words)

  
 Joseph Louis Gay-Lussac
Lastly, Dalton has advanced the idea that compounds of two bodies are formed in such a way that one atom of the one unites with one, two, three, or more atoms of the other.
Accordingly, if we accept the specific gravity of muriatic acid determined by M. Biot and myself, and those of carbonic gas and ammonia given by M. Biot and Arago, we find that dry muriate of ammonia is composed of
Indeed, that is the principal reason which has led M. Berthollet to assume the existence of hydrogen in this gas, and thus explain its low density.
web.lemoyne.edu /~giunta/gaylussac.html   (3679 words)

  
 Find in a Library: Le chimiste Claude-Louis Berthollet, 1748-1822 : sa vie, son œuvre
Le chimiste Claude-Louis Berthollet, 1748-1822 : sa vie, son œuvre
To find this item in a library, enter a postal code, state, province, or country in the field above.
WorldCat is provided by OCLC Online Computer Library Center, Inc. on behalf of its member libraries.
www.worldcatlibraries.org /wcpa/ow/dccea1583e2c653d.html   (69 words)

  
 Annecy, France Hotel Information, Rate Comparison: Direct Prices, Discounters, Consolidators (NCY/0-1 km)
Atria Novotel Annecy Centre @ 1 Avenue Berthollet, 74000
ATRIA NOVOTEL ANNECY CENTRE @ 1 AVE BERTHOLLET, 74000 property type - hotel year built - 1992 located in city centre, 5-minute walk from the old city and lake, 50 m from the train station.
Atria Novotel Annecy Center @ 1 avenue Berthollet, 74000 95 rooms.
www.hotels-shopper.com /FR/NCY-c0-1.htm   (1412 words)

  
 Gridskipper - Tokyo   (Site not responding. Last check: 2007-10-11)
If you’re looking to experience some more Matt-designed interiors, head to Gaienmae’s Sign (they have another branch in Daikanyama), which is set to re-open next week (July 18) after undergoing some extensive renovations that will see the cafe expand to two floors.
Thankfully, my club sandwich yearnings were recently answered when I found myself in the Aoyama French bistro/restaurant Le Cafe Berthollet.
With a smart classy atmosphere that would make for a nice date spot – the menu includes a pricier gourmet fare and an impressive wine collection for making a good first impression.
www.gridskipper.com /travel/tokyo   (2137 words)

  
 Apartments in Paris - Barclay International Group (800) 845-6636 - Apartment Berthollet
Apartments in Paris - Barclay International Group (800) 845-6636 - Apartment Berthollet
This is a "listed" area of particular architectural interest, filled with delightful cobbled streets and alleys to explore, and featuring many original medieval façades to admire.
Photos are provided to give prospective guests a sense of quality and décor.
www.barclayweb.com /DESTINAT/FRANCE/PROPS/PARPROPS/VCBERTH.HTM   (369 words)

  
 Julien Boilly Posters Prints - Count Claude Louis Berthollet Art Giclee Print - Artist: Julien Boilly - Poster Size: ...
Julien Boilly Posters Prints - Count Claude Louis Berthollet Art Giclee Print - Artist: Julien Boilly - Poster Size: 18x24 - SHOP.COM
Julien Boilly Posters Prints - Count Claude Louis Berthollet Art Giclee Print - Artist: Julien Boilly - Poster Size: 18x24
All other designated trademarks, copyrights and brands are the property of their respective owners.
www.shop.com /op/aprod-p33689322   (261 words)

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