Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
Z wnętrza książki
Wyniki 1 - 5 z 81
Strona 7
... hydrogen , unity . It will be found that Groups V. and VI . of the Periodic Table form one homogeneous group as required for symmetrical atomic shape built up from a primordial mass unit , which may be nebulium . The coefficients of ...
... hydrogen , unity . It will be found that Groups V. and VI . of the Periodic Table form one homogeneous group as required for symmetrical atomic shape built up from a primordial mass unit , which may be nebulium . The coefficients of ...
Strona 8
... hydrogen . The arms were long in order to prevent the mixing of the two gases . The hydrogen was conducted into a purifying system composed of two Richards ' washing flasks filled with a saturated solution of silver sulphate , a U ...
... hydrogen . The arms were long in order to prevent the mixing of the two gases . The hydrogen was conducted into a purifying system composed of two Richards ' washing flasks filled with a saturated solution of silver sulphate , a U ...
Strona 10
... hydrogen is increased . The reduction continues as follows : - WO2Cl2 + 3H2 WOC14 + 3H2 = W + 2H2O + 2HCl , W + H2O + 4HCI . Tungsten wire is also made by mixing tungsten powder with an organic paste , such as sugar , gum - arabic ...
... hydrogen is increased . The reduction continues as follows : - WO2Cl2 + 3H2 WOC14 + 3H2 = W + 2H2O + 2HCl , W + H2O + 4HCI . Tungsten wire is also made by mixing tungsten powder with an organic paste , such as sugar , gum - arabic ...
Strona 22
... hydrogen , whereas 6070 , 5620 , and 5200 are believed to belong to carbon . Among other lines noted but not placed are 5470 and 7000. The spec- trum may be examined more carefully later if it should appear desirable , but the first ...
... hydrogen , whereas 6070 , 5620 , and 5200 are believed to belong to carbon . Among other lines noted but not placed are 5470 and 7000. The spec- trum may be examined more carefully later if it should appear desirable , but the first ...
Strona 29
... hydrogen has the atomic number 1 , helium 2 , lithium 3 , carbon 6 , neon 10 , chlorine 17 , nickel 28 , silver 47 , cerium 58 , tung- * From the Journ . of Indus . and Eng . Chem . , April , 1920 . sten 74 , radium 88 , and uranium 92 ...
... hydrogen has the atomic number 1 , helium 2 , lithium 3 , carbon 6 , neon 10 , chlorine 17 , nickel 28 , silver 47 , cerium 58 , tung- * From the Journ . of Indus . and Eng . Chem . , April , 1920 . sten 74 , radium 88 , and uranium 92 ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acetaldehyde acetate alcohol alkali alloys aluminium ammonia amount apparatus application atomic weight boiler British calcium carbon cent charcoal Chem CHEMICAL Chemistry chemists chloride clay coal colloid colour Committee compounds concentration containing copper D.Sc deposits determined dilute dissolved distillate effect electric electrons elements Engineering evaporation experiments filtered fuel gases gelatin given glucophore glycerin grms heat helium hydrochloric acid hydrogen hydroxide important increase industry investigation iron isotopes Laboratory lead liquid London Ludgate Hill magma manufacture material ment metal method minerals mixture molecules molybdate molybdenum nitrocellulose nitrogen obtained oxide oxygen paper particles permanganate plankton potassium potassium permanganate precipitate present pressure probably production pure quantity Research salt sample scientific SHOE LANE silicic silicic acid Society sodium soluble solution steel substance sulphate sulphuric acid surface Table tannin temperature theory tion titration tons tube valency viscosity volume