41. Kolbe In 1878 the 26 yearold jacobus henricus van t hoff, who would receive the firstNobel Prize in Chemistry in 1901, was installed as the first Professor of http://ursula.chem.yale.edu/~chem125/125/history/Kolbe.html

Kolbe's Criticism of van't Hoff In 1878 the 26 year-old Jacobus Henricus van't Hoff, who would receive the first Nobel Prize in Chemistry in 1901, was installed as the first Professor of Chemistry, Mineralogy, and Geology in the new University of Amsterdam. For the occasion he delivered an inaugural lecture entitled "Imagination in Science" [see translation by G. F. Springer, Springer-Verlag, 1967 from which the following extracts are adapted] . He began the address with a counter-example, quoting Hermann Kolbe who had shown such short-sightedness and intemperance in criticizing van't Hoff's most memorable work, first published when van't Hoff was 22; and Kolbe, 56. Kolbe was accustomed to using the journal he edited as a bully pulpit for keeping chemists on the intellectual straight and narrow. Kolbe wrote: I have recently published an article in , 288 ff.) giving as one of the reasons for the contemporary decline of chemical research in Germany the lack of well-rounded as well as thorough chemical education. Many of our chemistry professors labor with this problem to the great disadvantage of our science. As a consequence of this, there is an overgrowth of the weed of the seemingly learned and ingenious but in reality trivial and stupefying natural philosophy. This natural philosophy, which had been put aside by exact science, is at present being dragged out by pseudoscientists from the junk-room which harbors such failings of the human mind, and is dressed up in modern fashion and rouged freshly like a whore whom one tries to smuggle into good society where she does not belong.

42. Tetrahedra jacobus henricus van t hoff published the first 12page version of thisepochal pamphlet in Dutch when he was barely 22. The original http://ursula.chem.yale.edu/~chem125/125/history/vanthoff/tetrahedra.html

The Arrangement of Atoms in Space (1874-77) by Dr. J. H. van't Hoff translated into German by Dr. F Herrmann (1877) Jacobus Henricus van't Hoff published the first 12-page version of this epochal pamphlet in Dutch when he was barely 22 . The original title was "Voorstel tot Uitbreiding der Tegenwoordige in de Scheikunde gebruikte Structuurformules in de Ruimte, benevens een daarmee samenhangende Opmerking omtrent het Verband tusschen Optisch Actief Vermogen en chemische Constitutie van Organische Verbindingen" (Proposal for the Extension of Current Chemical Structural Formulas into Space, together with Related Observation on the Connection between Optically Active Power and the Chemical Constitution of Organic Compounds), a descriptive but lengthy title for such a short pamphlet. It was translated into French in 1875 as "La chimie dans l'espace" (Chemistry in Space), but this 1877 German translation "Die Lagerung der Atome im Raume" was the most influential and controversial. He went on to found the discipline of physical chemistry and received the first Nobel Prize in Chemistry (1901). It recognized his contributions in physical chemistry, not in organic stereochemistry. To see the romantic self-image that he tried to project, click for his portrait (and a biography from the Nobel Institute).

43. General Chemistry Homework People in Chemistry jacobus henricus van t hoff. Nobel Prize 1901for his contribution to stereochemistry, chemical dynamics, and http://groups.msn.com/GeneralChemistryHomework/Hoff.msnw

var nEditorialCatId = 337; MSN Home My MSN Hotmail Shopping ... Money Web Search: document.write(''); Groups Groups Home My Groups Language ... Help General Chemistry Homework GeneralChemistryHomework@groups.msn.com What's New Join Now *Homepage *Experimental chemistry ... Tools People in Chemistry: Jacobus Henricus van't Hoff Nobel Prize 1901 for his contribution to stereochemistry, chemical dynamics, and helping elucidate the nature of molecules. Van't Hoff's Nobel lecture was entitled " Osmotic Pressure and Chemical Equilibrium ." The essence of the paper deals with the mathmatical relationship between the osmotic pressure and chemical equilibrium (determining K from osmotic pressure), molecules in solutions being essentially the identical to their gaseous counterparts, the Van't Hoff factor i in relation to ionic molecules, as well as an elementary introduction to the concept of osmotic pressure in relation to gaseous (atm) pressure. His stereochemistry contributions (he is often refered to as the father of stereochemistry) are especially important in the details of an SN2 reaction. 2004 chemistry homework Notice: Microsoft has no responsibility for the content featured in this group.

44. Nobel Peace Prize 1901, Wilhelm Conrad Röntgen Ger, jacobus henricus van t hoff Neth, Emil Adolfvon Behring Ger, Sully Prudhomme Fr, Jean Henri Dunant Swit Frédéric http://din-timelines.com/1901s-npp.shtml

Din Timelines World History Timelines 1901s Home 1910s Home 1901s Links? Nobel Prizes ... Contact Us

45. Marcos Reyes Homepage - Biografías De Químicos Urey, Harold Clayton. Van t hoff, jacobus henricus. Watt, James. Willstätter,Richard. Windaus, Adolf. Woodward, Robert Burns. Ziegler, Karl Waldemar. Volver. http://www.geocities.com/mreyes19/biografias_de_quimicos.htm

Biografías de Químicos Información en Español. Alder, Kurt Arrhenius, Svante August Aston, Francis William Avogadro, Amedeo, conde de Quaregna e Ceretto ... Volver Contáctame: Marcos Reyes Última actualización: Jueves, 09 de Enero de 2003 07:49:13 a.m.

46. Learn More About J. H. Van 't Hoff In The Online Encyclopedia. Hint Play with putting spaces before and after your words to see the different resultsyou get. see previous page. JH van t hoff. jacobus henricus van t hoff. http://www.onlineencyclopedia.org/j/j_/j__h__van__t_hoff.html

You are here: Online Encyclopedia Enter a phrase or search word in the box below. You can enter multiple phrases at a time by putting a comma between each word.(e.g. cat ,dog ,lion ) Press the search button to start your search. Hint: Play with putting spaces before and after your words to see the different results you get. see previous page J. H. van 't Hoff Jacobus Henricus van 't Hoff August 30 March 1 ) was a Dutch physical and organic chemist , the winner of the first Nobel Prize in Chemistry He was born in Rotterdam , the son of a medical doctor. From a young age he was interested in science, and against the wishes of his father he went to study chemistry , first at the Delft Polytechnical Institute , then at the University of Leiden , then to Bonn Germany (where he studied with Friedrich Kekulé ), then Paris (where he studied with C. A. Wurtz), and finally receiving his doctorate at the University of Utrecht in Before receiving his doctorate, however, Van 't Hoff already published the first of his important contributions to organic chemistry . He accounted for the phenomenon of optical activity by assuming that the chemical bonds between carbon atoms and their neighbors were directed toward the corners of a regular tetrahedron . This three-dimensional structure perfectly accounted for the isomers found in nature. He shares credit for this idea with the

47. Arrhenius several international chemists, and a few were impressed with his work, includingthe young chemists Wilhelm Ostwald and jacobus henricus van t hoff, who were http://chem.ch.huji.ac.il/~eugeniik/history/arrhenius.htm

Svante August Arrhenius b. February 19, 1859, Wijk, Sweden d. October 2, 1927, Stockholm, Sweden S.A. Arrhenius, 1924 Svante August Arrhenius was a Swedish physical chemist best known for his theory that electrolytes, certain substances that dissolve in water to yield a solution that conducts electricity, are separated, or dissociated, into electrically charged particles, or ions, even when there is no current flowing through the solution. In 1903 he was awarded the Nobel Prize for Chemistry. Arrhenius as a student In 1876 he entered the University of Uppsala, studying mathematics, chemistry and physics. The practical instruction in physics was not of the best, and in 1881 he went to Stockholm to work under Professor E. Edlund at the Academy of Sciences. Here, Arrhenius began by assisting Edlund in his work on electromotive force measurements in spark discharges but soon moved to an interest of his own. This resulted in his thesis (1884) " " (Investigations on the galvanic conductivity of electrolytes). From his results the author concluded that electrolytes, when dissolved in water, become to varying degrees split or dissociated into electrically opposite positive and negative ions. The degree to which this dissociation occurred depended above all on the nature of the substance and its concentration in the solution - being more developed the greater the dilution. The ions were supposed to be the carriers of the electric current, e.g. in electrolysis, but also of the chemical activity. The relation between the actual number of ions and their number at great dilution (when all the molecules were dissociated) gave a quantity of special interest ("activity constant").

48. Imagenes Heyrovsky, Jaroslav, 1890 1967. Hipócrates. hoff, jacobus henricus van t, 1852- 1911. hoffmann, Friedrich, 1660-1742. Hofmann, August Wilhelm von, 1818 - 1892. http://www.ucm.es/info/folchia/imagenes.htm

PARA LA MEMORIA:Toma un diente o el pie izquierdo de un tejón y átalo al brazo derecho a raiz de la carne. Toma también una hiel de perdiz y refriégate con ella las sienes hasta que penetre dentro una vez cada mes y tendrás buena memoria. Receptario sacado de D. Alejo Piamontés y de otros authores y de otras muchas recetas que me han dado Biblioteca Nacional, ms. 9226, 152v. ALGUNAS DE ESTAS IMÁGENES NECESITAN PERMISO PARA SU REPRODUCCIÓN Abbe, Ernst, 1840 - 1905 Accum, Friedrich Christian, 1769 - 1838 Acosta, Cristóbal Achard, Granz Karl, 1753 - 1821 ... Quintilio, Alejandro (ca. 1598) Nuestro agradecimiento a Alberto Cabeza y a la Biblioteca General Universitaria de Zaragoza Ramsay, William, 1852 - 1916 Richards, Theodore William, 1868 - 1928 Rideal, Eric Keightley, Sir, 1890 - Rondelet, Guillaume, 1507-1566 ... Zwelfer, Johannes (1608-1668)

49. ISBN.pl - Physical & Theoretical hoff, jacobus henricus van t Lectures on Theoretical and Physical Chemistry.Translated by Dr. RA Lehfeldt. Part I, Chemical dynamics. 8vo, pp.254. http://www.isbn.pl/2791-Physical-Theoretical.html

English Deutsch Fran§ais Categories: Architecture Art Computers Cooking ... Chemistry Keyword: Author: Title: ISBN: Price range: to Book location: UK Ireland Germany France USA Results: 1-20 of 320 Bigelow, S Lawrence, PhD: - Theoretical and Physical Chemistry 1st edition with helpful charts, graphs etc,; Also talks about the principles of Science on a more general level; Corners slightly rubbed o/w Good, slight fading of cover, no d.j. Published: Price: EUR 22.67 - more info Book location: Ireland Good condition Price: £ 40.00 - more info Book location: UK American Physical Society - Physical Review (A Journal of Experimental and Theoretical Physics) Volumes 57-154, 1940 to February 1967 Hard Cover. Very Good. 8vo - over 7¾" - 9¾" tall. Nearly complete set of 111 bound volumes, comprising all Physical Reviews from 1940 to February 1967 with the exception of volume 6. Packed with scientific abstracts, experiments, articles, references, etc. Previously in the California Institute of Technology library, w/minimal wear. Includes index issues. Published: American Institute of Physics Price: US$ 6400.00 -

50. Nomenclature, Symbols, And Structural Diagrams jacobus henricus van t hoff and Joseph Achille LeBel s recognition that there aretwo ways of arranging four unlike substituents tetrahedrally around a carbon http://www.libsci.sc.edu/bob/chemnet/NOMEN.HTM

N omenclature, S ymbols, and S tructural D iagrams , by Louis Bernard Guyton de Morveau, Antoine Laurent Lavoisier The Pharmacopoeia of the United States is published, establishing standard English and Latin names for drugs. In a published outline of a chemistry course, Stanislao Cannizzaro clarifies the calculation of atomic weights, then a highly contentious subject, using, in part, the long-neglected hypothesis put forward by Amedeo Avagadro in 1811. Friedrich August Kekule and Archibald Scott Couper recognize that carbon atoms have the ability to link to one another in chains. Archibald Scott Couper uses straight lines to indicate valence bonds in organic compounds, as is still the practice in most modern structural diagrams. Congress is held at Karlsruhe Technische Hochschule to discuss the feasibility of establishing a systematic and rational nomenclature for chemistry. The congress does not reach any conclusive results, but several key participants return home with Stanislao Cannizzaro's outline (1858), which ultimately convinces them of the validity of his scheme for calculating atomic weights. Friedrich Kekule, as well as others, including Josef Loschmidt, identifies the ring structure of benzene.

51. 19TH CENTURY 1873 jacobus henricus van t hoff and Joseph Achille LeBel s recognition that thereare two ways of arranging four unlike substituents tetrahedrally around a http://www.libsci.sc.edu/bob/chemnet/CC19CEN.HTM

C HEMICAL I NFORMATION S CIENCE TH C ENTURY Thomas Thomson begins an annual retrospective review of chemical literature in his Annals of Philosophy , a practice later adopted by other editors like Berzelius. Leopold Gmelin publishes first edition of his Handbuch der Anorganischen Chemie The Pharmacopoeia of the United States is published, establishing standard English and Latin names for drugs. TOP OF PAGE In Germany Pharmaceutisches Centralblatt is issued as the first chemistry-related abstracts journal. Becomes Chemisches-Pharmaceutisches Centralblatt in 1850 and Chemisches Zentralblatt in 1856. The Deutsche Chemische Gesellschaft assumes responsibility for publication in 1897. Justus Liebig acquires Annalen der Pharmacie . Name later changes to Justus Liebigs Annalen der Chemie and, most recently, to European Journal of Organic Chemistry The Chemical Society of London is established. Quarterly Journal of the Chemical Society of London (later, Journal of the Chemical Society ) is first published. In 1871 it begins including abstracts of the chemical literature. The American Association for the Advancement of Science (AAAS) is founded. It includes a section devoted to chemistry.

52. Advancement In Chemistry At ChemIndustry.com 자. ë ¸ë²¨ìž¬ë‹¨ ë ?ë?. 수상자.ì— ì . 1901. VAN T hoff, jacobus henricus. in recognition http://www.chemindustry.com/chemnames/A/advancement_in_chemistry.asp

Search the chemical world All Categories Chemical Suppliers Industry Services Resources Organizations Software Laboratory Supplies Academic Institutes Search Help Found 476607 Pages for advancement in chemistry Featured Supplier (Ad.) Word Count: advancement (28754), chemistry (1760726), in (23452770) Get listed in this page and reach more chemical industry professionals. The Scientist Technical info. United States The Scientist is The News Journal for the Life Scientist. It provides research scientists with relevant and timely information and analysis to assist them in making decisions that affect their working lives. URL: http://www.the-scientist.com in English [ Translate in Category More relevant pages from this site The Scientist - Survey: More Women Entering Chemistry, But Career Advancement Aug. 17, 1992 - Those women who have managed to succeed in the male-dominated field credit their mentors and their single-sex alma maters URL: http://www.the-scientist.com:80/yr1992/aug/hoke_p1_920817.html Pagesize: 19K bytes - Language: English [ Translate Sogang University Org./Inst./Agency

53. HYLE 10-1 (2004): Book Review: Peter J. Ramberg: Chemical Structure, Spatial Arr The conventional birth date of stereochemistry is 1874, when jacobus henricus van‘t hoff in the Netherlands and Joseph Achille LeBel in France independently http://www.hyle.org/journal/issues/10-1/rev_rocke.htm

HYLEInternational Journal for Philosophy of Chemistry, Vol. 10, No.1 (2004) , pp. 53-55 http://www.hyle.org 2004 by HYLE and Alan J. Rocke HYLE Book Reviews Peter J. Ramberg: Chemical Structure, Spatial Arrangement: The Early History of Stereochemistry, 1874-1914 , Ashgate, Aldershot, 2003, 399 pp. [ISBN: 0-7546-0397-0] by Alan J. Rocke th Alan J. Rocke: Department of History, Case Western Reserve University, Cleveland, Ohio 44106-7107, USA; ajr@cwru.edu 2004 by HYLE and Alan J. Rocke

54. Nobel Jaroslav Heyrovsky. Sir Cyril Norman Hinshelwood. Dorothy Crowfoot Hodgkin.jacobus henricus van t hoff. Roald hoffman. Robert Huber. Jean Frederic Joliot. http://www.sanbenito.k12.tx.us/district/webpages2002/judymedrano/Nobel Winners/n

Nobel-Winning Chemists Kurt Alder Sidney Altman Christian B. Anfinsen Svante August Arrhenius ... Eduard Buchner Adolf Friedrick Johann Butenandt Melvin Calvin Thomas Robert Cech Hans von Euler-Chelpin John Warcup Cornforth Donald J. Cram Marie Curie Elias James Corey Petrus (Peter) Josephus Wilhelmus Debye Paul J. Crutzen Robert F. Curl, Jr. Johann Deisenhofer Otto Diels ... Dorothy Crowfoot Hodgkin Jacobus Henricus van't Hoff Roald Hoffman Robert Huber Jean Frederic Joliot Irene Joliot-Curie ... Back To Main Page

55. Read This: When Topology Meets Chemistry: A Topological Look At Molecular Chiral The first specific suggestion of a possible structure for an optically active moleculewas made in 1874 by jacobus henricus van t hoff, who later received the http://www.maa.org/reviews/topochem.html

Read This! The MAA Online book review column When Topology Meets Chemistry A Topological Look At Molecular Chirality by Erica Flapan Reviewed by Stacy G. Langton A solution of tartaric acid, a compound found in the "tartar" formed during the fermentation of wine, will rotate polarized light to the right . There is another form of tartaric acid, called racemic acid (from the Latin word for a bunch of grapes). It has the same chemical composition, but is optically inactive. In 1848, the chemist Louis Pasteur noticed that crystals of racemic acid had two forms, which were mirror images of each other. He separated the crystals by hand. The resulting solutions were now optically active , the one rotating polarized light to the right , the other to the left . Thus, racemic acid was a mixture of two optically active forms of tartaric acid. New Ambidextrous Universe , pp. 112-113.) A molecule which has two mirror-image forms is said to be chiral (from the ancient Greek word for 'hand'). Erica Flapan explains, in the last chapter of the book under review, why molecules of DNA tend to be chiral. This fact helps to explain why molecules produced by living things are typically chiral, while molecules produced by inanimate natural processes are not. The chirality of organic molecules often has significant consequences. In the late 1950s, the drug thalidomide was prescribed to treat morning-sickness in pregnant women. By the early 1960s, it became clear that the drug was responsible for producing horrible birth defects. It was not until about 1980 that it was understood that thalidomide is a "racemic" mixture of two mirror-image chiral molecules. It is one of these two molecules which relieves morning-sickness; the other induces birth defects.

56. Introduction To Heterogeneous Catalysis jacobus henricus van t hoff recieves the first Nobel prize in chemistry for hiswork on chemical dynamics and osmosis. Wulff invents the Wulff construction. http://www.aue.auc.dk/~stoltze/catal/book/intro/history.htm

History of heterogeneous catalysis von Marum studies the dehydrogenation of alcohols using metals. Desormes and Clement studies the effect of nitrous gas in the "bleikammerprocess" C. B. Desormes and N. Clement: Ann Chim Phys (Paris) 59 (1906) 329 H. Davy studies the oxidation of methane on platinum wires H. Davy: Phil Trans Roy Soc (London) (1817) 77. E. Davy studies the oxidation of methane on platinum dust E. Davy: Phil Trans Roy Soc (London) (1820) 108. W. Henry studies oxidations catalyzed by platinum adsorbed on clay pellets. W. Henry: Phil Trans Roy Soc (London) (1824) 266. W. Henry: Phil Mag 9 (1825) 416. Michael Faraday studies the ignition of hydrogen in air at platinum surfaces. Philips obtains a patent on oxidation of SO catalyzed by Pt. Berzelius formulates the definition of catalysis. J. J. Berzelius: Ann Chim Phys (Paris) 61 (1936) 146 J. J. Berzelius: Jahresber Chem 13 (836) 237 Julius Robert Mayer formulates the principle of energy conservation. For the next 5 years Helmholtz, J. R. Mayer, J. P. Joule and W. Thomson (Lord Kelvin) fight over priority for the discovery.

57. Timeline Nobels 1901 jacobus henricus van t hoff won the first Nobel Prize in chemistry for hiswork on the relationship of volume, pressure and temperature in gases which http://www.timelines.ws/subjects/Nobels.HTML

Nobel Prizes Return to algis.com Nobel Prize site: http://www.almaz.com/nobel/nobel.html 1896 Dec 10, Alfred Nobel (inventor of dynamite) died at the age of 63. The Nobel Peace Prize is therefore awarded on December 10. The first of the Nobel Prizes was presented in 1901 according to instructions in his will. At his death he was one of the richest men in the world, he also felt it would be wrong to leave his fortune to relatives. "Inherited wealth is a misfortune which merely serves to dull man's faculties." Alfred Nobel 1901 Jacobus Henricus van't Hoff won the first Nobel Prize in chemistry for his work on the relationship of volume, pressure and temperature in gases which became known as van't Hoff's Law. The 1st Nobel Banquet was held at the Grand Hotel in Stockholm for 118 male guests. (SFC, 6/30/99, p.C2) 1901 Sully Prudhomme won the 1st Nobel Prize in literature. (SFC, 10/10/01, p.B8) (HN, 3/27/99)(MC, 2/10/02)(MC, 3/27/02) 1901 Emil von Behring (b.1854) was the first recipient of the Nobel Prize for medicine. (HN, 3/15/99)

58. Nobel Prizes In Chemistry 1901 jacobus henricus van t hoff (Netherlands) in recognition of the extraordinaryservices he has rendered by the discovery of the laws of chemical dynamics http://www.3rd1000.com/nobel/nobel.htm

Nobel Laureates in Chemistry Jacobus Henricus van 't Hoff (Netherlands) "in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions" Emil H. Fischer (Germany) "in recognition of the extraordinary services he has rendered by his work on sugar and purine syntheses" Svante A. Arrhenius (Sweden) "in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation" Sir William Ramsay (United Kingdom) "in recognition of his services in the discovery of the inert gaseous elements in air, and his determination of their place in the periodic system" Adolf von Baeyer (Germany) "in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds" Henri Moissan (France) "in recognition of the great services rendered by him in his investigation and isolation of the element fluorine, and for the adoption in the service of science of the electric furnace called after him" Eduard Buchner (Germany) "for his biochemical researches and his discovery of cellfree fermentation"

59. Result Of Desired Function ? ?. . . ?. .1901. VAN T hoff, jacobus henricus. in recognition of the extraordinary http://chemistry.sogang.ac.kr/ChemInfo/Nobel.html

VAN'T HOFF, JACOBUS HENRICUS "in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions" FISCHER, HERMANN EMIL "in recognition of the extraordinary services he has rendered by his work on sugar and purine syntheses" ARRHENIUS, SVANTE AUGUST "in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation" RAMSAY, Sir WILLIAM "in recognition of his services in the discovery of the inert gaseous elements in air, and his determination of their place in the periodic system" VON BAEYER, JOHANN FRIEDRICH WILHELM ADOLF "in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds" MOISSAN, HENRI

60. Result Of Desired Function Nobel Laureats in Chemistry. Nobel Foundation. Year. Name. Motivation.1901. VAN T hoff, jacobus henricus. in recognition of the extraordinary http://chemistry.sogang.ac.kr/ChemInfo/Nobeleng.html

Nobel Laureats in Chemistry Nobel Foundation Year Name Motivation VAN'T HOFF, JACOBUS HENRICUS "in recognition of the extraordinary services he has rendered by the discovery of the laws of chemical dynamics and osmotic pressure in solutions" FISCHER, HERMANN EMIL "in recognition of the extraordinary services he has rendered by his work on sugar and purine syntheses" ARRHENIUS, SVANTE AUGUST "in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation" RAMSAY, Sir WILLIAM "in recognition of his services in the discovery of the inert gaseous elements in air, and his determination of their place in the periodic system" VON BAEYER, JOHANN FRIEDRICH WILHELM ADOLF "in recognition of his services in the advancement of organic chemistry and the chemical industry, through his work on organic dyes and hydroaromatic compounds" MOISSAN, HENRI

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