26 M. J. A. Groshans on the 



The value of this constant for water (density-number = 3) is 



273 + 100x3 

 18 



= 62-2. 



In Table X. are given the data relating to 13 substances 

 which contain OpH q O r , the value of q being in the first group 

 10, in the second 8. 



Table X. 



Constant Trt/a = 62-2. 



Name. 



Formula. 



a. 



n. 



S°. 



T. 



Tn/a. 



Ethylic ether 



C 4 H 10 O 

 O 5 H l0 O 



O 5 H 10 O 2 



C 6 H 10 O 

 C G H 10 O 2 



C 6H 10 O 4 

 °8 H ]0 O 4 



74 

 86 

 102 

 118 

 93 

 114 

 146 

 170 



15 

 16 

 17 



18 

 17 

 18 

 20 



22 



34 

 64 

 100 

 126 

 86 

 123 

 136 

 206 



308 

 337 

 373 

 399 

 359 

 396 

 459 

 479 



62-4 

 627 

 62-2 

 60-9 

 62-3 

 625 

 62-9 

 620 



Ethyl allyl ether 



Ethyl propionate 



Ethyl carbonate 



Allylic ether 



Ally lie propionate 



Ethylic oxalate 



Ally 1 oxala te 





Toluene 



7 H 8 

 C 7 H 8 

 C 7 H 8 3 

 0,H 8 O 2 



C 8 H 8 3 



92 

 103 

 140 

 136 

 152 



15 



16 



18 

 18 

 19 



108 

 150 

 209 

 198 

 223 



381 

 423 

 452 

 471 

 496 



62-1 

 62-6 

 62-0 

 62-3 



62-0 



Anisol 



Ethyl pyromuconate ... 

 Methyl benzoate 



Methyl salicylate 





Table XI. comprises substances with fourteen atoms of 



Tn . 

 hydrogen. The constant — is different from that in Table X., 



but is here the same for all the bodies. 



Table XL 



Names. 



Hexane 



Ethyl propylate , 



Diethyl glycol 



Ethyl valerate , 



Allyl valerate 



Ethyl ethylacetocarbonate 



Ethyl succinate , 



Diethylene diacetate 



Allyl acetoacetate 



Ethyl itaconate 



C. 



H. 



14 

 14 

 14 

 14 

 14 

 14 

 14 

 14 

 14 

 14 



O. 



102 

 118 

 130 

 142 



158 

 174 

 190 

 170 

 186 



20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 26 

 27 



S°. 



45 

 85 

 123 

 143 

 165 

 195 

 217 

 248 

 206 

 227 



Autho- 

 rities. 



Go.* 



Oh. 



Wo. 



Li. 



Wii. 



Wo. 



Kp. 



Wo. 



Wo. 



Ke. 



Tn/a. 



73-9 

 73-7 

 73 9 

 73 6 

 740 

 74-0 

 73-2 

 740 

 73-3 

 72-6 



Mean value of ^=736. 



* Go. means Goriainow ; Ch. = Chancel: Wo. = Dictionary Fehling; 

 Li. = Linnemann ; Wii. = Dictionary Wiirtz ; Kp. = Kopp ; Ke. = 

 Kekule, Lehrbuch. 



