/ 



^^^. 



THE BEGINNINGS OF LIFE. 



25 



'^^ ^^ight (Jij acid (SO3) soon after preparation becomes converted into 

 ^^^ '1 differs ^ ^°*^y '-'^ '^^ same percentage composition, tliough of 

 assumes' higher melting point. There are, moreover, very good 



1 



y, but 



on 



acc{ 



reasons, approved by chemists, for believing that nitric 



some such 

 amongst the x 



■ithin herniet 



peroxide gas^ N O^, when at a low temperature, be- 



N 



H 8 04 in the liauid state, but C^ H 



ic 



Jgl^t that 



we: 



;w and 



in the gaseous state- and that bitter almond oil, in 

 presence of certain reagents, is capable of doubling 

 .itself (C^H^O into C'lHi^O^), even with change 

 Tiists are perfe ^f chemical constitution— for C^ H^ 0^3(0"^ H^ O) H, 

 mbinations tat or hydride of benzoyl, whilst C^^ H^2 03 = (C'^ H^O) 



previci 



lous complex F, 

 anges result k: 

 iffbring from ft 

 ;heir greater E 



•al units ' are i 

 id molecules. 



"H7) O, or benzoate of benzyl. Strictly analogous, 

 also, to these reactions between similar molecules are 

 those in which two or more dissimilar molecules coalesce 

 — as when two oxides, two chlorides, two cyanides. 



&c 



&c 



1 



may cai 



I ^^tent; unions are also known to take place between organic 



^anate of am* 



N2H 



nver 



ted by*: 



H5N 



r 



r 



t to eva 



thetically, combine, when present together in aqueous 



mN 



tane* 



is spon^^-\ tine \ 



I 



homologous in properties and composition with krea- 



))^. 



into cy 



vitriol? 

 ^hydrous 



C 



aniira^ 



If we are asked to explain why, or in what manner. 



ilia 



^ My attention has kindly been called to these synthetic changes by 



IS 



Mi. ^^- Temple Orme, of University College, to whom I have been much 



su 



indebted for information of this kind. 



