The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 93
... Hydrogen and Its Compounds ( H.Ha. ) The most abundant element in the galaxy ( ten times as abundant as helium , the next most widely occurring ele- ment ) , hydrogen makes up only about 0.14 percent of the Earth's crust by weight but ...
... Hydrogen and Its Compounds ( H.Ha. ) The most abundant element in the galaxy ( ten times as abundant as helium , the next most widely occurring ele- ment ) , hydrogen makes up only about 0.14 percent of the Earth's crust by weight but ...
Page 94
The hydrogen molecule Isolation of para- hydrogen Explosive mixtures Chain reactions Ligands The study of hydrides of carbon and their derivatives. gas at a given temperature and it diffuses faster than any other gas . Consequently ...
The hydrogen molecule Isolation of para- hydrogen Explosive mixtures Chain reactions Ligands The study of hydrides of carbon and their derivatives. gas at a given temperature and it diffuses faster than any other gas . Consequently ...
Page 97
... hydrogen was made by processes based on coal or coke , the princi- pal one being a water - gas reaction between steam and red - hot coke : H2O + C → CO + H2 . By 1970 , however , relatively little hydrogen was being produced by such ...
... hydrogen was made by processes based on coal or coke , the princi- pal one being a water - gas reaction between steam and red - hot coke : H2O + C → CO + H2 . By 1970 , however , relatively little hydrogen was being produced by such ...
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