Handbook of Chemistry, for School and Home Use |
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Seite 113
A medium crop of wheat takes from one acre of ground about 12 pounds ; a crop
of beans , about 20 pounds ; and a crop of beets , about 11 pounds of phosphoric
acid , besides a very large quantity of potash and soda . It is obvious that such ...
A medium crop of wheat takes from one acre of ground about 12 pounds ; a crop
of beans , about 20 pounds ; and a crop of beets , about 11 pounds of phosphoric
acid , besides a very large quantity of potash and soda . It is obvious that such ...
Seite 117
We have learned ( 144 ) that by the various forms of combustion going on in
nature , eight thousand millions of pounds of oxygen are daily removed from the
atmosphere ; and that an immense amount of carbonic acid is pouring back into
the ...
We have learned ( 144 ) that by the various forms of combustion going on in
nature , eight thousand millions of pounds of oxygen are daily removed from the
atmosphere ; and that an immense amount of carbonic acid is pouring back into
the ...
Seite 123
It became known in England in the fourteenth century ; and , in 1329 , it was sold
in Scotland at one ounce of silver ( equal to four dollars of our money ) a pound .
It did not become an article of ordinary consumption until the beginning of the ...
It became known in England in the fourteenth century ; and , in 1329 , it was sold
in Scotland at one ounce of silver ( equal to four dollars of our money ) a pound .
It did not become an article of ordinary consumption until the beginning of the ...
Seite 124
The annual production of sugar throughout the world is estimated at more than
5,000 millions of pounds , of which nearly 88 per cent is cane - sugar ; about 7
per cent , beet - sugar ; 4 per cent , palm - sugar ; and about i per cent , maple ...
The annual production of sugar throughout the world is estimated at more than
5,000 millions of pounds , of which nearly 88 per cent is cane - sugar ; about 7
per cent , beet - sugar ; 4 per cent , palm - sugar ; and about i per cent , maple ...
Seite 184
Half a pound of glass tubing , $ of an inch in diameter . 23. 4 feet of rubber tubing
, $ of an inch in diameter . The following additional apparatus will be needed for
experiments with the oxy - hydrogen blowpipe : Two 25 - gallon gas - bags , with
...
Half a pound of glass tubing , $ of an inch in diameter . 23. 4 feet of rubber tubing
, $ of an inch in diameter . The following additional apparatus will be needed for
experiments with the oxy - hydrogen blowpipe : Two 25 - gallon gas - bags , with
...
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