bles exchibiting the weights, Specific gravities, conftituent - 
" pri Sc. of the principal gafes. 
° 1— TABLE 
GAS. 
a peucoualr to truth. A till greater degree of accuracy 
is however both defirable and attainable. Some of the above 
The weights and ipecific gravities in the above table are 
‘taken from the moft refpe€table authorities. 
‘fults have been obtained fo nearly the fam 
‘thors, that there can be no doubt of their being good ap- 
Indeed the re- 
me by different au- 
: OF the weights aa pets and volume of the lable to objections. This obfervation applies more dire 
» gafes abforbed o fluoric, oxymuriatic, and nitric ae gafes, and to phot 
: .B. The. weights, & at a mean temperature and re hydrogen, and to the ii 
preflure ; ; and water is rae a 820 times the weight of — In regard to the quantity of any a abforbed by water 
common -air when duly agitated pe ak t is obfervable fie water takes 
uit its own. volu f e of the gafes ; in other inftances, 
, Weightof | lcacabforbed| it takes fome fractional a of its volume, which fraction has. 
Kind of Gas. gr . Ae iv lways for its aumerator unity, and for its denominator the 
. —s J | Volume of | cube o fone one of the feries 1, 2, 3, &c. t hereby indicat- 
te ing that the diftance of the particles of air in the water is 
~ — ; always 1, 2, 3, &c. times their diftance out of the water. 
|Atmofpheric air + - 31 1.00 as There is an apparent exception in atmofpheric air ; but this 
Hydrog . a) 0.08 OF. is in reality a confirmation of the rule ; for the atmofphere 
Oxygen . ‘ 34 1510 27 is eae 4 parts of azotic gas, and 1 of oxygen ; and 
Azote OF nitrogene a 5 ied O07 1 oe 4 of ee of ,4, = 3's nearly. Whether the elafticity of the 
we ous pa 7 oes ange a Jy] gafes in this their conneétion-with water is impaired or de- 
Nitrous oxyd ° 5° 1.60 ane hear re objets of enquiry. According to Dr. Henry’s 
arhonic oxyd = #9 O94 | 27 experiments, the quantity of any gas abforbed (not exceed- 
Carbonic acid - 7 aie = ing unity) is in dire&t proportion to the preffure of the gas 
Carburetted hyd. from} 18.6 0.6 = of its own kind ; and that preflure being removed, the inter- 
flagnant w ater ; nal or abforbed ‘gas is conttantly making its efcape. It mutt 
0 efant gas 7 . 29-5 O95 8 therefore retain its elafticit rvation will appl 
‘Sulphuretted hydrogen - | 36 1.16 ‘ even to thofe gafes that are fo largely abforbed by water ; 
a ep ances ar ae - 2:50: | 20 their élafticity muft indeed be amazingly impaired by the ac- 
Fluoric acid (filicated) - | 130 4-20 {400 nof the water, but it is not deftroyed ; for the gafes are 
Muriatic acid - ig 39+5 aii a ae conftantly making their efcape from the water, unlefs re- 
Oxymuriatic acid = 7 2.46 . rained by an incumbent atmofphere of their own kin 
Ammoniacal gas - - | 18.6 0.60 a fhould feem then, that the connection of thefe gafes with 
. Phofphur etted Eyeee -| 26 0.84 z water, which have not their elafticity impaired, is purely of 
. {Nitric - 76 aon: vee mechanical nature; whilft that of th bforbable 
caer cee 65 pe — ae is par tly of a mechanical and partly of a chemical 
. {Ethereal vapour 70 2.25 —_ a 
The following cues exhibits the volumes of certain elaftic 
fluids which c mbin and the correfponding volume of the 
new compound, oa elaftic ; alfo the proportional weights. 
of the fimple elements in a given weight of the com-. 
er 
2.— TABLE 
Of the Proportions of the conftituent Principles of compound Cates. 
Conftituent Principles in Meafures. 
Confiituent Principles in Weights. 
- Compound Gates, &c. 
. Meafures. 
mmoniacal gas - 100 
Water - - —_ 
.|Nitrousgas - - — - 100 
"| Nitrous ox yd =  ,* 100 
:| Nitric acid - ~ - — 
Nitrous acid - —_— 
xymuriatic acid - - 100 
Sulphurous acid ~- - - 100 
Sulphuric acid - -_ = 
_| Carbonic - - 100 
-| Carbonic acid - 100 
Car boreted hydr ogen = E00 
.| Olefian 1t gas - - 100 
2 eaibic 4 hydrogen - 100 
Phofphuretted hydrogen - 100 
Muriateof ammonia - <« — 
Carbonate of ammonia — 
-|Sub-carbonate of ammonia — 
100 carb.acid + 
Weight 
+ 39 ammon. gas 
Meafures. Meafures. Weight. Weight. : 
| = azote -- - -+ 133 hydrogen | 83 azote » + 17 hydrogen = 100 
= 100 oxyg. - + 2oohydrogen | 872 oxyg. - + 12%} hydrogen — 
= 47 azote = = + $5 oxygen - azote + 58 Ox - — 
= 99 azote - 58 oxygen - | 59 azote - - +.41 oxyg dis 
= 180 nitrous gas - + .100 oxygen - | 27 azote - + 73 oxyg. - — 
== 360 aca gas - + 100 oxygen - [33 azote - - +.67 oxyg aioe 
= 150 mur. acid - so oxygen - [76 mur. acid - - + 240xyg. -.  — 
= 100 oxygen {ulphur - |52 Oxyg. - + 48 fulphur ee 
= 100 fl econ ca + i. oxygen - | 79% paces ed + 20$ oxygen -  — 
= 47 oxygen . - coal- -.| 55 oxyge 5 “charcoal - = — 
= oo oxygen = - + oa - |72 oxyg - = + 28charcoal- — 
= 200 hydrogen - + ..1 part charcoal} 27 hydrag - + 73charcoal - — 
= 200 hydrogen - +. 2partscharcoal|15hydrog. - +85 charcoal - — 
= 100 hydrogen + fulphur - -| 7 hydrog. - + 93 fulph a 
= 100 hydrogen - .4 -phofphorus - |10 hydrog. - + 90 phofphorus — 
== 100 mur. aci + rooammon.gas|:65 mur.acid - -- 35ammon.gas —| 
== roo carb,acid - +; Soammen. gas 24ammon. gas —) 
4+ . Goammon. gas 
‘61 carb.acid . = 
