Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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Strona 212
... becomes especially active in pre- sence of freshly prepared , finely divided nickel and other metals . These have ... become a more or less saleable by - product . Whenever pure hydrogen is required its production by electrolysis of a ...
... becomes especially active in pre- sence of freshly prepared , finely divided nickel and other metals . These have ... become a more or less saleable by - product . Whenever pure hydrogen is required its production by electrolysis of a ...
Strona 214
... becomes 23 grams , then the volume occupied by it in the free state is 23.73 cubic centimetres . When this atom combines with Cl so as to form Rock Salt , its volume becomes 11.865 c.c. , exactly half its original size , and in doing so ...
... becomes 23 grams , then the volume occupied by it in the free state is 23.73 cubic centimetres . When this atom combines with Cl so as to form Rock Salt , its volume becomes 11.865 c.c. , exactly half its original size , and in doing so ...
Strona 216
... becomes inaudible . Owing to the high speed of sound there may be many such reflections in the course of a single second in a room of ordinary size ; and the greater the dimen- sions of the hall the more prolonged will be the ...
... becomes inaudible . Owing to the high speed of sound there may be many such reflections in the course of a single second in a room of ordinary size ; and the greater the dimen- sions of the hall the more prolonged will be the ...
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