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Topic: Svante Arrhenius


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In the News (Tue 10 Nov 09)

  
  Svante August Arrhenius - LoveToKnow 1911
SVANTE AUGUST ARRHENIUS (1859-), Swedish physicist and chemist, was born on the 19th of February 1859, at Schloss Wijk, near Upsala.
Arrhenius is specially associated with the development of the theory of electrolytic dissociation, and his great paper on the subject, Recherches sur la conductibilite galvanique des electrolytes - (1) conductibilite galvanique des solutions aqueuses extremement diluees, (2) theorie chimique des electrolytes, was presented to the Stockholm Academy of Sciences in 1883.
He was subsequently continuously engaged in extending the applications of the doctrine of electrolytic conduction in relation not only to the problems of chemical action but also, on the supposition that in certain conditions the air conducts electrolytically, to the phenomena of atmospheric electricity.
www.1911encyclopedia.org /Svante_August_Arrhenius   (346 words)

  
  Svante Arrhenius - Wikipedia, the free encyclopedia
Svante August Arrhenius (February 19, 1859 October 2, 1927) was a Swedish chemist and one of the founders of the science of physical chemistry.
Arrhenius was born at Vik (also spelled Wik or Wijk), near Uppsala, Sweden, the son of Svante Gustav and Carolina Thunberg Arrhenius.
Arrhenius declined, however, as he preferred to stay in Sweden for a while (his father was very ill and would die in 1885) and had gotten an appointment at Uppsala.
en.wikipedia.org /wiki/Svante_Arrhenius   (1186 words)

  
 Svante Arrhenius...SciPeeps.com
Svante August Arrhenius (February 19, 1859 - October 2, 1927) was a Swedish chemist and one of the founders of the science of physical chemistry.
Arrhenius was born at Vik (also spelled Wik or Wijk), near Uppsala, Sweden, the son of Svante Gustav and Carolina Thunberg Arrhenius.
Arrhenius declined, however, as he preferred to stay in Sweden for a while (his father was very ill and would die in 1885) and had gotten an appointment at Uppsala.
www.scipeeps.com /svantearrhenius.html   (923 words)

  
 Mag Lab Education - Pioneers in Electricity and Magnetism: Svante Arrhenius
Svante Arrhenius was born in Vik, Sweden, and became the first native of that country to win the Nobel Prize.
Arrhenius showed early promise of success, learning to read at the age of 3 and acquiring a pronounced interest in mathematical calculations in his youth by observing the accounting practices of his father, a land surveyor for the University of Uppsala.
Based upon his investigations on the conductivity of electrolytes, Arrhenius was convinced that when an electrolyte is dissolved in water, it dissociates to some degree into positive and negative ions, and that the extent of dissociation depends upon the nature of the electrolyte and its level of concentration (dissociation being greater in dilute solutions).
www.magnet.fsu.edu /education/tutorials/pioneers/arrhenius.html   (990 words)

  
 Svante Arrhenius - Wikipedia
Svante August Arrhenius (1859 1927) was een Zweeds scheikundige.
Arrhenius promoveerde in 1884 tot doctor in de wetenschappen aan de universiteit van Uppsala, met een proefschrift over de elektrische geleidbaarheid.
In 1903 ontving Arrhenius de Nobelprijs voor scheikunde en in 1919 werd hij directeur van het Nobel-instituut voor fysische chemie te Stockholm.
nl.wikipedia.org /wiki/Svante_Arrhenius   (120 words)

  
 Svante Arrhenius - Biography
Svante August Arrhenius was born on February 19, 1859, the son of Svante Gustaf Arrhenius and Carolina Christina Thunberg.
During these years Arrhenius was able to prove the influence of the electrolytic dissociation on the osmotic pressure, the lowering of the freezing point and increase of the boiling point of solutions containing electrolytes.
Arrhenius was elected a Foreign member of the Royal Society in 1911, and was awarded the Society's Davy medal and also the Faraday Medal of the Chemical Society (1914).
nobelprize.org /nobel_prizes/chemistry/laureates/1903/arrhenius-bio.html   (1047 words)

  
 Svante Arrhenius - Wikipedia, den fria encyklopedin
Svante Arrhenius, född 19 februari 1859, död 2 oktober 1927, svensk fysiker och kemist; professor i fysik vid Stockholms högskola 1895-1905, den förste svenska nobelpristagaren i kemi 1903.
Arrhenius disputerade den 26 maj 1884 vid Uppsala universitet, där han bl.a.
Arrhenius var även populärvetenskaplig författare och skrev Världarnas utveckling (1906), Människan inför världsgåtan (1907), Smittkoppar och deras bekämpande (1913), Stjärnornas öden (1915) samt Kemien och det moderna livet (1919).
sv.wikipedia.org /wiki/Svante_Arrhenius   (201 words)

  
 Svante August Arrhenius   (Site not responding. Last check: 2007-10-12)
Svante August Arrhenius (1859—1927), a founding father of physical chemistry, was trained both in chemistry and physics.
According to Arrhenius, acids were substances that contained hydrogen and yielded hydrogen ions in aqueous solution; bases contained the OH group and yielded hydroxide ions in aqueous solution.
Arrhenius also applied physicochemical principles to the study of meteorology, cosmology, and biochemistry.
www.chemheritage.org /EducationalServices/chemach/eei/saa.html   (449 words)

  
 SVANTE AUGUST ARRHENIUS
Svante Arrhenius seemed very interested in the idea, possibly because he may have thought of it as an extension of his own work on ions.
Arrhenius was born in Wijk, Sweden on February 19, 1859.
Arrhenius studied reaction rates as a function of temperature, and in 1889 he introduced the concept of activation energy as the critical energy that chemicals need to react.
www.woodrow.org /teachers/chemistry/institutes/1992/Arrhenius.html   (1943 words)

  
 Arrhenius, Svante August
Arrhenius was a brilliant student who learned to read at the age of three and graduated from secondary school as the youngest and brightest in his class.
In 1891 Arrhenius moved to the newly founded University of Stockholm where four years later his post was converted to a professorship in physics.
In 1905 Arrhenius was appointed director of the Nobel Institute for Physical Chemistry in Stockholm.
www.euchems.org /Distinguished/19thCentury/arrhenius.asp   (276 words)

  
 Arrhenius
From an early age Svante had shown an aptitude for arithmetical calculations, and at school he was greatly interested in mathematics and physics.
Arrhenius began by assisting Edlund in his work on electromotive force measurements in spark discharges but soon moved to an interest of his own.
During these years Arrhenius was able to prove the influence of the electrolytic dissociation on the osmotic pressure, the lowering of the freezing point and increase of the boiling point of solutions containing electrolytes.
www.corrosion-doctors.org /Biographies/ArrheniusBio.htm   (492 words)

  
 Svante Arrhenius -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-12)
Arrhenius was born at Vik (also spelled Wik or Wijk), near (A city is east central Sweden north northwest of Stockholm) Uppsala, (A Scandinavian kingdom in the eastern part of the Scandinavian Peninsula) Sweden, the son of Svante Gustav and Carolina Thunberg Arrhenius.
At the age of three, Arrhenius taught himself to read, despite his parents' wishes, and by watching his father's addition of numbers in his account books, became an (The branch of pure mathematics dealing with the theory of numerical calculations) arithmetical prodigy.
In 1889 Arrhenius explained the fact that most reactions require added heat energy to proceed by formulating the concept of (The energy that an atomic system must acquire before a process (such as an emission or reaction) can occur) activation energy, an energy barrier that must be overcome before two molecules will react.
www.absoluteastronomy.com /encyclopedia/s/sv/svante_arrhenius.htm   (916 words)

  
 Arrhenius, Svante
Arrhenius is said to have taught himself to read at the age of three and to have become interested in mathematics from watching his father add columns of figures.
In reality, Arrhenius had a statistical sense and an ability to frame formulas to fit his facts, both of which were rare among chemists of his day.
Arrhenius spent the period from 1886 to 1890 working with other eminent scientists--Ostwald at Riga, F.W. Kohlrausch at Würzburg, Ludwig Boltzmann at Graz, and Jacobus van't Hoff at Amsterdam.
www.britannica.com /nobel/micro/34_57.html   (784 words)

  
 Arrhenius   (Site not responding. Last check: 2007-10-12)
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.
Svante August Arrhenius was born in Wijk, Sweden on February 19, 1859, the son of Svante Gustaf Arrhenius and Carolina Christina Thunberg.
Arrhenius had the foresight to send copies of his thesis to several international chemists, and a few were impressed with his work, including the young chemists Wilhelm Ostwald and Jacobus Henricus van't Hoff, who were also to become founding fathers of physical chemistry.
chem.ch.huji.ac.il /~eugeniik/history/arrhenius.htm   (2101 words)

  
 79arrhenius   (Site not responding. Last check: 2007-10-12)
Arrhenius made the fateful decision to continue with his interest in conductive solutions when he enrolled to study for his doctorate degree.
Arrhenius gained the respect and fellowship of his colleagues in the Hogskola, a result of his increasing international renown.
Arrhenius received it in 1903 after a thoroughly contentious candidacY His discovery of ionic disassociation in solution raised the significant question whether it was a physical or chemical discovery.
blake.montclair.edu /~kowalskil/cf/78arrhenius.html   (1196 words)

  
 Svante Arrhenius - Wikipedia
Arrhenius machte sich insbesondere um die Theorie der elektrolytischen Dissoziation verdient.
Arrhenius erkannte als Erster die Bedeutung des Kohlendioxids für das Klima der Erde (Treibhauseffekt).
In seiner letzten Lebensphase beschäftigte sich Arrhenius mit Problemen der Weltraumphysik.
de.wikipedia.org /wiki/Svante_Arrhenius   (180 words)

  
 ChemTeam: Svante Arrhenius' Acid Base Theory
Svante Arrhenius was one of the towering giants of chemistry in the years surrounding the turn of the century.
Arrhenius published two articles on acids and bases, one in 1894 and the other in 1899.
The Arrhenius theory of acids and bases will be fully supplanted by the theory proposed independently by Johannes Brønsted and Thomas Lowry in 1923.
dbhs.wvusd.k12.ca.us /webdocs/AcidBase/Arrhenius-AcidBase.html   (750 words)

  
 Storia della chimica e della scienza. Biografie di scienziati. Svante August Arrhenius
La teoria ionica di Arrhenius fornirà a Van’t Hoff e Ostwald un’ulteriore occasione per estendere il loro appoggio a una teoria in difficoltà.
Molte di queste proprietà dipendono dal numero di particelle in soluzione; nel caso di soluzioni di elettroliti, in accordo alla teoria di Arrhenius, esse risultano da quelle deducibili dalla concentrazione molare.
Oltre che di chimica, Arrhenius si interessò attivamente di geofisica, meteorologia, astronomia e cosmologia, argomenti sui quali scrisse anche in termini divulgativi.
www.minerva.unito.it /Storia/bio%20html/Arrhenius.html   (800 words)

  
 Svante Arrhenius - Wikipedia
Svante August Arrhenius è stato un chimico e un fisico, premio Nobel per la chimica nel 1903 per la sua teoria sul traferimento di ioni visti come responsabili del passaggio di elettricità.
Nel 1889 formulò l'equazione di Arrhenius che metteva in relazione la costante di velocità con la variazione di temperatura.
La stessa comunità scientifica non mancò comunque di premiare nel 1903 le sue idee: in quell'anno, Arrhenius vince il premio Nobel per la chimica grazie alla sua teoria sul trasferimento di ioni visti come responsabili del passaggio di elettricità.
it.wikipedia.org /wiki/Svante_Arrhenius   (308 words)

  
 timelinescience - acids (Arrhenius) - resources
Svante Arrhenius was born in Wijk, Sweden on February 19, 1859.
Svante Arrhenius was not just a talented scientist - he sounds as though he was an interesting and lively man with a good sense of humour.
Arrhenius took the stage to honour the guests, and as he said a few words about each of the famous men present he offered a toast with their favourite alcoholic drink.
www.timelinescience.org /resource/students/acid/arrhenus.htm   (672 words)

  
 Essays Page
Svante Arrhenius almost failed his 1884 doctoral examination on chemical dissociation in solution, the very same topic that earned him the Nobel Prize two decades later in 1903.
Svante August Arrhenius was born on February 19, 1859, in Vik, a town in the Kalmar district of Sweden.
Arrhenius graduated from the Cathedral School in Uppsala in 1876 and proceeded to the University of Uppsala, where he studied mathematics, physics, and chemistry, earning his bachelor's degree in 1878.
www.fofweb.com /Subscription/Science/Helicon.asp?SID=2&RecordType=Biography&iPin=azchem0004   (791 words)

  
 HYLE 6-1 (2000): Book Reviews. Elisabeth Crawford: Arrhenius: From Ionic Theory to the Greenhouse Effect, Canton 1996 ...
Arrhenius was one of the original triumvirate with Wilhelm Ostwald and Jacobus Henricus van’t Hoff, Nernst one of a second generation of physical chemists, although only five years younger than Arrhenius.
Arrhenius’ life can be conveniently divided into three major portions, corresponding to the three major sections in Crawford’s biography: his education and work in solution theory (for which he is most famous), his study of cosmic physics, and his work in immunochemistry (Arrhenius invented the term).
Arrhenius also derived this mass law from another direction, as an equilibrium between active and inactive molecules, measured by conductivity — the activity coefficient was related directly to the ‘active mass’ in solution.
www.hyle.org /journal/issues/6/rev_ramb.htm   (2077 words)

  
 EO Library: Svante Arrhenius Page 3
During the next ten years, Arrhenius continued his work on the effects of carbon dioxide on climate, and published a two-volume technical book titled Lehrbuch der kosmischen Physik in 1903; but this work was not widely read, as it was a textbook for a discipline that did not yet exist.
In this book Arrhenius first describes the “hot-house theory ”of the atmosphere, stating that the Earth's temperature is about 30 degrees warmer than it would be due to the“ heat-protection action of gases contained in the atmosphere,”a theory based on ideas developed by Fourier, Pouillet, and (especially) Tyndall.
It is important to note that Arrhenius was not very concerned with rising carbon dioxide levels at the time, but rather was attempting to find an explanation for high latitude temperature changes that could be attributed to the onset of the ice ages and interglacial periods.
www.earthobservatory.nasa.gov /Library/Giants/Arrhenius/arrhenius_3.html   (274 words)

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