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TABLE XII. Pressures at 18°. 



Chemistry. — „0/< the velocity of dedrkul reaction'. By Dr. Ernst 

 Cohen, (Communicated by Prof. H. W. Bakhuis Roozeboom). 



1. If two elements, arranged as follows. 

 Electrode, rever- I Saturated solution of a 



sible with respect 

 to the anion. 



and 



salt (b' in presence of the 

 stable solid phase of the 

 salt. 



Electrode, rever- 

 sible with respect 

 to the cathion. 



') This column has been deduced from isothermiil determinations of pure carbonic 

 acid, not yet published. 



