Haughton — Notes on Newtonian Chemistry — V. 293 

 Water. — The most general equations are 



2mi + P 



/'2a,"H2e, = ^^5-1^, (C) 



/'i8 = 0)"^- 1. (B) 



where they represent 



(A). The Conservation of areas (Couples) ; 



(C). The Conservation of vis viva (Energy) ; 



(B). Configuration. 



I have assumed the radius of the dyad, molecule to be equal to 



that of the hydi-oden molecule, r' = 1 ; but leave the radius of the 



compound molecule r" to be determined. 



The cheapest method of producing the compound molecule would 



be, if 



C2 = 0, / a2 = / , 



conditions which give for the case of water, where ;8 = 1 6 — 



,„ „ 2//?2+16 ^^^ 



(C) 

 (B) 



If we eliminate w" and r" from the equations (A) and (C), we 

 find 



2(2»22^+16)' ^ ^ 





2»?2 



r"2a>"2 = 



2wo-+16 



2^3^ 



f."/3 = 



Oi"2- 1, 



with the understood condition 





a)"V" 



> 1. 



m2(2m2 + 16) ' 



^ In general, if r" = 1, 

 I'hls is the relation between atomic weight and periodic time in the dyads. 



