Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 3
... heat evolved , is less than that which the acid and base exert in direct combination ; for the process of double decomposition separates the water from SO , and from BaO , and in doing so absorbs just as much heat as was evolved when ...
... heat evolved , is less than that which the acid and base exert in direct combination ; for the process of double decomposition separates the water from SO , and from BaO , and in doing so absorbs just as much heat as was evolved when ...
Strona 5
... heat in a close oven . The effect of the heat is to drive off the whole of the bituminous matter , leaving a dense and compact coke in the moulds . The pieces are then boiled in pitch , and again charred along with a charge of coal in a ...
... heat in a close oven . The effect of the heat is to drive off the whole of the bituminous matter , leaving a dense and compact coke in the moulds . The pieces are then boiled in pitch , and again charred along with a charge of coal in a ...
Strona 6
... heat , and used again immediately as if it had not under- gone any change of temperature ; the metal is also fused much more rapidly , saving time , fuel , labour , and waste . The saving of metal is also very great , as to each worn ...
... heat , and used again immediately as if it had not under- gone any change of temperature ; the metal is also fused much more rapidly , saving time , fuel , labour , and waste . The saving of metal is also very great , as to each worn ...
Strona 8
... heat of the flame , and to the suspension of the liberated carbon for a definite time in an ignited state . The following are the principal members of this group , Marsh Gas , C , H ,; Olefiant Gas , or Ethylene , C1H1 ; Propylene , CH ...
... heat of the flame , and to the suspension of the liberated carbon for a definite time in an ignited state . The following are the principal members of this group , Marsh Gas , C , H ,; Olefiant Gas , or Ethylene , C1H1 ; Propylene , CH ...
Strona 9
... heat . The gas is colourless , with a peculiar odour , and it is probably anæsthetic . It is a little lighter than air , the specific gravity of it being 0898 ; 100 cubic inches therefore weigh just 28 grains . It burns with a brilliant ...
... heat . The gas is colourless , with a peculiar odour , and it is probably anæsthetic . It is a little lighter than air , the specific gravity of it being 0898 ; 100 cubic inches therefore weigh just 28 grains . It burns with a brilliant ...
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