Last edited by Taugis
Friday, May 8, 2020 | History

3 edition of Researches on the ammonia-cobalt bases found in the catalog.

Researches on the ammonia-cobalt bases

Researches on the ammonia-cobalt bases

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  • 26 Currently reading

Published by Smithsonian Institution in [Washington .
Written in English

    Subjects:
  • Cobalt-ammonium compounds.

  • Edition Notes

    Microfiche. Washington, D.C., Brookhaven Press, 1978. on no. 4-5 on 6 microfiches ; 11 x 15 cm.

    Statementby Wolcott Gibbs and Frederick Aug. Genth.
    SeriesSmithsonian contributions to knowledge -- v. 9, art. 5, Smithsonian Institution publication -- 88, Publication (Smithsonian Institution) -- 88.
    ContributionsGenth, F. A. 1820-1893
    Classifications
    LC ClassificationsQ11 .S68 vol.9
    The Physical Object
    FormatMicroform
    Paginationiv, 67, [1] p.
    Number of Pages67
    ID Numbers
    Open LibraryOL22223323M

    Synthesis & Analysis of A Cobalt-Amine-Chloride Complex. What you will receive You will receive a 2ml glass vial of % pure Cobalt metal that it in a granular / chip form. As seen in pictures. Sweet Stocking stuffer, Christmas gift Great chemistry gift Amazing science gift The Facts Cobalt (atomic number 27) This sample is ideal for element collectors on the cheap or those conducting experiments.5/5(3).

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    Cobalt does not react readily with air. Upon heating the oxide Co 3 O 4 is formed, and if the reaction is carried out above °C, the result is cobalt(II) oxide, CoO. 3 Co (s) + 4 O 2 (g) 2 Co 3 O 4 (s) 2 Co (s) + O 2 (g) 2 CoO (s) Cobalt does not react directly with nitrogen, N 2. COVID Conversations: Three Questions for Church Leaders to Ask Before Reopening. As more areas of the U.S. work through the phases of reopening following the peak of the COVID pandemic, churches are faced with the weighty questions of whether to open their doors and, if so, how to maintain safe social distancing while still welcoming people back into their regular locations.


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Researches on the ammonia-cobalt bases Download PDF EPUB FB2

Additional Physical Format: Online version: Gibbs, Wolcott, Researches on the ammonia-cobalt bases. Washington, D.C.: Smithsonian Institution, IN JULY OF an important sixty-seven-page memoir, "Researches on the Ammonia-Cobalt Bases," by the American chemist Oliver Wolcott Gibbs () and the German-American chemist and mineralogist Frederick Augus- tus Genth () was accepted for publication as Article V of Volume IX in the.

genth f. researches on the ammonia cobalt bases with 72 pp.; runkle j. new tables for determining the values of the coefficients in the perturbative functions of planetary motion which depend upon the ratio of the mean distances with 64 pp.; and runkle j. asteroid. His best-known research involved the ammonia-cobalt bases (cobalt ammines), developed jointly with Oliver Wolcott Gibbs.

His original memoir on this topic contained the first distinct recognition of the existence of perfectly defined and crystallized salts of the cobalt ammines. The ammonia acts as both a base and a ligand. With a small amount of ammonia, hydrogen ions are pulled off the hexaaqua ion exactly as in the hydroxide ion case to give the same neutral complex.

That precipitate dissolves if you add an excess of ammonia. The ammonia replaces water as a ligand to give hexaamminecobalt(II) ions. All the cobalt oxide-based catalysts show a high activity (full conversion of ammonia is obtained), a high selectivity to NO and a low selectivity to N 2 O.

However, the cobalt–cerium oxide catalyst is more effective (higher selectivity into NO, lower selectivity into N 2 O) than the catalyst based Cited by: The CRM world has changed dramatically since Cobalt began focusing on this industry inand today it is the fastest-growing software sector.

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The coordination chemistry of acyclic pentadentate pentaamine ligands is reviewed. These ligands contain only five donor atoms, all of which are aliphatic or aromatic amine N atoms, arranged in such a way that coordination to a single transition metal ion is : Allan G.

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Ask a Librarian chat hours to M - F 9 a.m. to 6 p.m. Research consultations with Subject Librarians via Skype, Zoom, or email. Library instruction via guest lecture in whichever platform your course is. research upon the ammonia cobalt bases, to which reference has already been made, that Gibbs finally found himself." His most important contribution to analy-tical chemistry was the electrolytic determina-tion of copper now universally used.

"The entire field of electro-analysis was thus thrown open by him." His remarkable series of re. Evidence Based Birth® is an online childbirth resource that informs, empowers and inspires expecting parents and birth-care practitioners globally, to understand the latest, proven, evidence based.

Search the world's most comprehensive index of full-text books. My library. The basis for ranking of ligands in the computer application is a method for the canonical numbering of the molecular graphs, therefore no transformations to the hierarchical digraphs are. Digital Indy is the Indianapolis Public Library's digital collection which provides access to digital images and recordings of cultural and historical interest.

Access Digital Indy Some of the research databases are made possible by The Indianapolis Foundation, a CICF affiliate through a grant to The Indianapolis Public Library Foundation. Gibbs, Wolcott (Book) Testimonials presented to the Trustees of Columbia college, in behalf of Dr.

Wolcott H. Gibbs, candidate for the Researches on ammonia-cobalt bases (Book) 2 editions published. Cobalt, Co 2+.

Most common oxidation states: +2, +3. M.P. o B.P. o Density g/cm 3. Characteristics: Steel-gray, hard, tough ves easily in HNO 3 and also in dilute HCl and H 2 SO Characteristic reactions of Co 2+.

Aqueous Ammonia: Excess concentrated ammonia reacts with cobalt(II) ion to form a metal complex ion, hexaamminecobalt(II) ion.

His name is associated with the ammonia cobalt bases which he discovered inand, in joint authorship with Dr. Wolcott Gibbs, he has contributed to the “Smithsonian Contributions to Knowledge” a monograph on “Researches on the Ammonia-Cobalt Bases” (Washington, ).

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Cobalt is a chemical element in the periodic table that has the symbol Co and atomic number Cobalt is a hard, lustrous, silver-gray metal, a chemical element with symbol Co. It .Used books. Giving used books new life is what we do best. From classics to self-help, cookbooks, children's books and more.

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