182 Dreyer and Douglas. Velocity of Reaction in [Nov. 16, 



Table XII.— Experiment 10. July 2, 1908. 

 Temperature of room. Sulphuric acid, 1/40 IST solution. Animal charcoal, 

 0'8 gramme. Time taken in centrifuging, etc., 30 minutes. 



Time in minutes. 



B. 



C. 



(30-.r)+ 0 



1 -66 



2-375 



12 



1-57 



2 -465 



24 



1 -517 



2 -518 



36 



1 -48 



2 -555 



48 



1 -46 



2 -575 



60 



1 -44 



2 -595 



T = 4 -035 



Table XIII.— Experiment 11. July 3, 1908. 



Temperature of room. Sulphuric acid, 1/40 N solution. Animal charcoal,. 

 0"8 gramme. Time taken in centrifuging, etc., 31'5 minutes. 



Time in minutes. 



B. 



C. 



(31 -S-x) + 0 



1 -606 



2 -368 



12 



1 -499 



2-475 



24 



1 -446 



2 -528 



36 



1 -416 



2 -558 



48 



1 -391 



2 -583 



60 



1 -379 



2-595 



T = 3-974 



Table XIV.— Experiment 12. July 9, 1908. 



Temperature of room. Sulphuric acid, 1/40 N solution. Animal charcoal,. 

 0"8 gramme. Time taken in centrifuging, etc., 28 minutes. 



Time in hours. 



B. 



C. 



[(28-a-) iiiiiiB.] + 0 



1 -67 



2 -375 



„ 0-6 



1 -478 



2 -507 



„ 2 



1 -424 



2 -621 



» 4 



1 -399 



2 ■()46 



>, 12 "5 



1 -344 



2 -701 



» 24 



1 -28G 



2 -759 



48 



1 141 



2 -904 



T = 4 -045 



