Hydrogen and Carbon. 269 
Ns 
' 
Meaukes or Gases = CoMPOSITION OF - 
MIXED. & ResiDu_E. 
— = 2 ~| Welleue 
r= S be HES Ss 
O89 Q go = §.j2 843 Azote. |Oxygen 
3 v = N fo} | 5 ()) s 
ers) Fa o <a Bok | ag 
~—_ = | | | | S| 
3 | 16°8 reas 8°86 | 77 | 34] 8 86.) 1:4 
Olefiant gas} Oxygen gas 
consumed. | consumed. 
Carbonic 
acid formed. 
— --|-———- 
1 16°8 50.24 35 
g 16°8 » 52°94 36 
-16°8 49°94 34 
16°8 50°8 35 
is) 
Average. 
100 302 208 Aver. per cent. 
From these experiments, it is easy to deduce the com- 
position of olefiant yas: 100 cubic inches of it, at the tem- 
perature of 60°, and when the barometer stands at 30 
inches, weigh 29°72 grains. 
Of the 302 cubic inches of oxygen gas consumed, 208 
went to the formation of carbonic acid. The remaining 
g4 cubic inches must have gone to the formation of water, 
and they must have combined with a quantity of hydrogen, 
which, if in the gaseous form, would have amounted to 
188 cubic inches. Therefore 100 cubic inches of olefiant 
gas are composed of the carbon in 208 cubic inches of 
carbonic acid, and a quantity of hydrogen equivalent to 188 
eubic inches. 
Grains. 
Now, the carbon in 208 inches of carbonicacid weighs 26-98 
108 inches of hydrogen gas weigh ............ 4°80 
Total... 31°78 
Weight of the olefiant Fas... ... tee se eww en es 29°72 
Surplus.... 2°06 
Thus 
