Prof. T. Andrews on the Gaseous State of Matter. 65 



p> 



«' (64°-100°). 



P> 



a (64°-100°). 



21-42 

 24-19 



28-65 

 32-60 



35-29 

 40-44 



42-74 

 49-25 



0-003526 

 0-003718 

 0-003956 

 0-004166 



48-40 

 56-16 



67*65 



80-99 



94-27 

 118-60 



0-004387 

 0-005392 

 0-007018 



As the general result of this investigation, it follows that in the 

 ordinary gaseous state the law of Gay-Lussac does not hold good, 

 either in the case of a or of a', and that the dilatation by heat of a 

 body in the ordinary gaseous state, whether measured by its expansion 

 tinder constant pressure or by the increase of elastic force under con- 

 stant volume, is not a simple function of the initial volume or initial 

 elastic force, but a complex function changing ivith the temperature. 



In the second part of the paper the general properties of the 

 ordinary gaseous state are considered. As the basis of this inquiry, 

 the following Table of the compressibility of carbonic acid at Q 0, 5, 

 64°, and 100° is given, in which e is the ratio of the observed 

 volume of the carbonic acid at the pressure^ and temperature t' to 

 its volume under one atmosphere at the same temperature f. 



p. 



£'=6°-5, 



2>. 



*f'=G4° 5 



p. 



*'=100°, 





6. 





e. 





e. 



12-01 



1 

 12-95 



17-60 



1 



18-57 



1 

 21*65 



1 

 24-18 



1 

 27-08 



20-17 



1 

 20-98 



13-22 



14-37 



20-36 



22-37 



23-35 



1 

 26-09 



1 

 29-32 



14-68 

 17-09 



16-13 

 1 



19-12 



22-56 

 25-06 



24-85 

 27-76 



20-10 

 22-26 



23-03 



1 

 25-96 



28-07 

 31-39 



30-64 



1 



34-67 



1 

 39-08 



1 

 46-34 



31-06 

 34-57 



33-05 



1 

 37-09 



1 

 43-54 



1 

 50-63 



1 

 60-30 



24-81 



29-62 



34-92 



40-09 



27-69 



34- U3 



40-54 



45-99 



31-06 



39-59 



46-56 



54-57 



53-81 



34-49 



1 



45-80 



54-33 



65-97 



64-27 



73-97 







64-96 



83-44 



80-25 



96-65 







81-11 



114-0 



105-69 



37-6 

 1 







106-88 



185-5 



145-44 



2"l8 7 

 1 







145-54 



325-9 



223-57 



'3l¥3 







222-92 



446-4 







Phil Mag. g. 5. Vol. 3. No. 15. Jan. 1877. 



F 



