The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 108
... possible , but , with the alkane that has four carbon atoms , two different structures are possible . This suggests that two different compounds- with the same molecular formula , C4H10 , but with differ- ent structural formulas - are ...
... possible , but , with the alkane that has four carbon atoms , two different structures are possible . This suggests that two different compounds- with the same molecular formula , C4H10 , but with differ- ent structural formulas - are ...
Page 163
... possible in principle but in practice takes place so slowly as to be ineffective . It is then necessary to investigate whether the rate can be in- creased to a practicable level by altering the conditions of the reaction - for example ...
... possible in principle but in practice takes place so slowly as to be ineffective . It is then necessary to investigate whether the rate can be in- creased to a practicable level by altering the conditions of the reaction - for example ...
Page 951
... possible to place 12 balls of equal size , all touching the first one but not overlapping it or each oth- er . One such arrangement may be obtained by placing the 12 surrounding balls at the midpoints of edges of a suit- able cube that ...
... possible to place 12 balls of equal size , all touching the first one but not overlapping it or each oth- er . One such arrangement may be obtained by placing the 12 surrounding balls at the midpoints of edges of a suit- able cube that ...
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Common terms and phrases
acid activity administration ammonia army atomic orbitals became benzene bonds Buddhist called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer chemical bonds chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride Chou common complex compounds covalent covalent bonds cultural disease drugs dynasty early economic electrons elements emperor energy example fluorine groups Hopeh hydrogen important increased industry insects involved ions king known land large number Lo-yang major mass materials ment metal methods molecular molecules nitrogen northern nucleus occur officials orbitals organic oxide oxygen party percent period political population provinces quartets reactants receptors region reign result river separation Shang shell Sinhalese social sodium sodium chloride southern species structure substances sulfonamide sulfur sulfuric acid Szechwan T'ang Taoist temperature tion trans Tsung turtles Yangtze