Outlines of Theoretical ChemistryLongmans, Green, 1899 - 240 páginas |
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Página 5
... air . 6 During the period of quantitative analysis , which begins with this theory , great stress was laid on the investigation of the proportions by weight in which different substances unite together CHEMICAL THEORIES 5.
... air . 6 During the period of quantitative analysis , which begins with this theory , great stress was laid on the investigation of the proportions by weight in which different substances unite together CHEMICAL THEORIES 5.
Página 16
... period . § 12. Electrolytic Equivalents . The electrolytic law of Michael Faraday has been used to insure the uniform deter- mination of equivalent weights . Faraday found that when an electric current is passed through a so - called ...
... period . § 12. Electrolytic Equivalents . The electrolytic law of Michael Faraday has been used to insure the uniform deter- mination of equivalent weights . Faraday found that when an electric current is passed through a so - called ...
Página 32
... period only a few gaseous compounds were known , and little importance was attached to the manner in which their chemical formulæ were written . About the middle of the present century the necessity for a systematic classification of ...
... period only a few gaseous compounds were known , and little importance was attached to the manner in which their chemical formulæ were written . About the middle of the present century the necessity for a systematic classification of ...
Página 56
... - able dimensions , so that the right and left sides meet . ' Helium and argon are omitted from this table . See Appendix . The first two periods or series each embrace seven elements 56 OUTLINES OF THEORETICAL CHEMISTRY.
... - able dimensions , so that the right and left sides meet . ' Helium and argon are omitted from this table . See Appendix . The first two periods or series each embrace seven elements 56 OUTLINES OF THEORETICAL CHEMISTRY.
Página 57
... periods . On closer consideration these large periods are found to split up into two smaller periods , in which some of the properties of the elements recur at a shorter interval . This is seen in the following table : 1 III IV Ag 2 3 4 ...
... periods . On closer consideration these large periods are found to split up into two smaller periods , in which some of the properties of the elements recur at a shorter interval . This is seen in the following table : 1 III IV Ag 2 3 4 ...
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affinities alcohol amount atom of hydrogen atomic linking atomic volume atomic weights benzene Berzelius bodies boiling point bromine calculated carbon atom chemical change Chemistry chlorine combination composition consequently constituents contain copper Crown 8vo crystallise crystals decomposed decomposition density determined Diagrams dissociation electricity electrolyte elements equivalent weights ether ethyl example exhibit formula gaseous gases hydrochloric acid hydrogen atoms hydroxyl hypothesis Illustrations increases investigated iodide iodine ions isomeric isomorphous liquid malic acid melting point metals method mixture molecular weight molecules monovalent monovalent atoms nature nitric nitric acid nitrogen number of atoms number of particles observed obtained organic compounds oxide oxygen polyvalent atoms position potassium pressure produced properties proportion quantity reaction refraction salt Science similar sodium solid solution specific heat substances sulphate sulphur takes place Tellurium temperature theory thermic equivalent tion values vapour velocity weight of hydrogen weight of oxygen Woodcuts
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