Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXV. No. 23. — May, 1U00. 



THE DRIVING ENERGY OF PHYSICO-CHEMICAL 



REACTION, AND ITS TEMPERATURE 



COEFFICIENT 



By Theodore William Richards. 



Investigations on L:giit and Heat, made and puiilisiied wholly or in part with Appropriations 



from the rumford fund. 



