224: W. G. Mixter — Heat of Comhustion of Hydrogen. 



Experiment P.— Hydrogen 1109-5^^ at 15-9^ and Y70"^°^ ; cal- 

 culated weight 0-09544:, observed 0*0953 gram. Water and 

 water equivalent of calorimeter 1710'4 grams. 



Temperature interval. 

 16-940-15-081 +0-004 = l-863° 



Heat observed, 1710-4 Xl'863 = 3186-5° 

 Correction to calorie at 20° 2-5^ 



Minutes. 



Temperature 







15-071 



1 



15-076 



2 



15-081 



3 



16-903 



4 



16-939 



5 



16-940 



6 



16-938 



7 



16-936 



8 



16-935 



9 



16-933 



3189-0^ 



Q = 34008^ 



ExperhnentlO.—KydiYogQw, 1109-8^= at 15-6° and 755-4'^'^ ; 

 calculated weight 0*09376, observed 0-0933 gram. Water and 

 water equivalent of calorimeter 1765-7 grams. 



Temperature interval. 

 16-814 — 15-048 + 0-003 = 1-769° 



Heat observed, 1765-7 X 1*769=3123-6^ 

 Correction to calorie at 20° 2*5'^ 



inutes. 



Temperature 







15-044 



1 



15*046 



2 



15-048 



3 



16*813 



4 



16-814 



5 



16-812 



6 



16-808 



7 



16-805 



8 



16-802 



3126-1< 

 Q = 33934^ 



Experiment ^i.— Hydrogen 1110-2'='^ at 18-4=^ and 767*1"^'" ; 

 calculated weight 0-09432, observed 0-0947 gram. Water and 

 water equivalent of calorimeter, 1711-9 grams. 



Minutes. Temperature. Temperature interval. 



16-049 17-904 — 16-067 +0-004i=l-841° 



1 16-054 



2 16-062 Heat observed, 1711-9X l-841 = 3151-6° 



3 16-067 Correction to calorie at 20° 1-9° 



4 17*874 



5 17-904 3153-5'= 



6 17-904 Q=34039^ 



7 17-902 



8 17-900 



9 17-898 



Third Series. 



Experi^nent 12.— Hydrogen, 1110-6" at 17'3° and 761°^°^; 

 calculated weight 0-09395, observed 0934 gram. Water and 

 water equivalent of calorimeter, 1633*3 grams. 



