Adolph Strecker's Short Text-book of Organic ChemistryK. Paul Trench & Company, 1881 - 789 pagini |
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Pagina 32
... occurs but once , the valency of the nucleus is 2n + 22 = 2n , when the divalent union occurs twice , 2n + 2 -2.2 = 2 n − 2 , & c . -- From the same grounds , with bivalent union of neighbouring carbon atoms of the 2n + 2 bonds ...
... occurs but once , the valency of the nucleus is 2n + 22 = 2n , when the divalent union occurs twice , 2n + 2 -2.2 = 2 n − 2 , & c . -- From the same grounds , with bivalent union of neighbouring carbon atoms of the 2n + 2 bonds ...
Pagina 33
... occurs between carbon atoms in organic compounds , these latter are frequently capable of uniting with further elementary atoms , especially so with the halogens and with nascent hydrogen , with change of the polyvalent union into ...
... occurs between carbon atoms in organic compounds , these latter are frequently capable of uniting with further elementary atoms , especially so with the halogens and with nascent hydrogen , with change of the polyvalent union into ...
Pagina 38
... occurs when the respective substances agree with one another in their chemical constitution , their structure , and all essential points . This analogy of structure is especially shown in the fact that like reagents produce like changes ...
... occurs when the respective substances agree with one another in their chemical constitution , their structure , and all essential points . This analogy of structure is especially shown in the fact that like reagents produce like changes ...
Pagina 55
... occurs most vigorously at temperatures of 20 ° -30 ° , they most readily cause decomposition at these tempe- ratures . Below 0 ° these beings lose the power of growth for at least the time of duration of that temperature . At ...
... occurs most vigorously at temperatures of 20 ° -30 ° , they most readily cause decomposition at these tempe- ratures . Below 0 ° these beings lose the power of growth for at least the time of duration of that temperature . At ...
Pagina 64
... occurs , often in considerable quantity , as a constituent of the wash- water of gas - works . 81. Cyanides of the alkaline earths - i.e . of barium , strontium , and calcium -- can be prepared directly , but are best obtained by ...
... occurs , often in considerable quantity , as a constituent of the wash- water of gas - works . 81. Cyanides of the alkaline earths - i.e . of barium , strontium , and calcium -- can be prepared directly , but are best obtained by ...
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Alte ediții - Afișează-le pe toate
Adolph Strecker's Short Text-Book of Organic Chemistry, by J. Wislicenus Adolph Friedrich L Strecker Nu există previzualizare disponibilă - 2015 |
Termeni și expresii frecvente
acetic acid alcohol and ether alcohol radicals alcoholic potassic hydrate alcoholic solution aldehyde alkalies alkyl ammonia ammonic anthracene aqueous solution argentic baric benzene benzoic acid benzyl bodies boiling point bromine C₂H calcic carbon atoms carbonic anhydride CH₂ CH3 CH3 chromic acid CnH2n+1 CO.OH colour colourless liquid compounds concentrated converted crystallises crystallises in colourless crystals decomposed decomposition derivatives dibromide dichloride diethyl difficultly soluble dilute diphenyl dissolves dry distillation ethylene ethylic evaporation formula gives glycerine glycol H₂O halogen haloid heating hydrate hydric hydriodic acid hydrochloric acid hydrogen atoms insoluble iodide isomeric isomers ketone latter liquid boiling melting mercury metallic mixture molecules naphthalene nascent hydrogen nitrate nitric acid obtained odour oxidation oxidises oxygen phenyl plumbic precipitate prepared prisms reaction readily soluble salts separated sodic sodium amalgam soluble soluble in alcohol soluble in water sublimed sulphate sulphide sulphonic sulphuric acid temperature urea vapour whilst yellow yields zinc
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