478 Dr. M. Wildermann on Real and Apparent 



Table II. 

 1st Series. — Dichloracetic acid (0*03312 norm.). 





Tempera- 

 ture of 

 the ice-bath. 



Read fr. 

 temp, on 



fbn ' ° 



uie yacjij 



therm. 





Tempera- 

 ture of 

 the ice-bath. 



Read fr. 



temp, on 



the jooty 



therm. 



Barom. at the 



-2°-2 



02548 







02563 



beginning, 





0-2548 







0-2563(4) 



750-7 mm. 





02548 







0-2563 (4) 



Temp, of 





0-2550 







0-2563 



room, 20°. 





0-2548 







0-2563 



Overcooliug, 





0-2550 













0°72. 









(-0°-4) 



(0-2568 





-l°-6 



0-2554 







0-2569 







0-2554 (3) 



The exper. lasted 





0-2570 







0-2554 



about 30 minutes. 





0-2570 







0-2554 



Barom. at the end, 

 750-8 mm. 





0-2571 

 0-2572) 





-1°1 



0-2557 













0-2557 (8) 

 0-2557 



Temperature of room, 

 20°. 



(-0°-25) 



(0-2578 

 0-2578 







0-2557 (8) 





0-2578 







0-2557 







0-2580 





-0°-6 



02563 



At end of exper. suf- 

 ficient ice in the 

 beaker. 





0-2580 

 0-2580) 



2 



nd Series 



— Dichloracetic acid (0'050 



2 norm.). 



Barom. at the 



-2 C -1 



0-2009 





-1°-1 



0-2020(1) 



beginning, 





0-2009(10) 







0-2020 



7505 mm. 





02009 







0-2020 



Temp, of 





0-2009 (10) 













room, 20°. 





02009 





(-0°-4 



(02024 







0-2009 





to 

 -0°5) 



0-2024 

 02025 





-l°-6 



0-2016 



The exper. lasted 





0-2024 







0-2016 



ca. 20 minutes. 





02025 







0-2016(7) 



Barom. at the end, 





02026 







02016 



750-5 mm. 





0-2026 







0-2016 (7) 



Temperature of room, 





0-2027 







0-2016 



20°. 





0-2027 





-1°-1 



0-2020 







02028 







0-2020 



Very much ice in 

 beaker. 





0-2028) 



II. The Value of C in other Methods. 



A beaker with 1250 c.c. water of the temperature 9°-6 was 

 placed in a large liquid-bath (water) of the temperature 9°*65. 



