8 4 



A RESPIRATION CALORIMETER. 



RESIDUAI, SHEET. No. 16. 



Calculation oj the Residual Amounts of Nitrogen, Oxygen, Carbon Dioxide, and 

 Water Vapor Remaining in Chamber at 7 a. m., April o, 



Residual at end of i2th period. Metabolism experiment Ko. 77. 



Volume of nitrogen in chamber at 5.00 a. m. 

 Nitrogen in air sample rejected, liters,.. 



3574- M liters. 



Nitrogen rejected with absorbers, .10 



Nitrogen admitted with oxygen, + .54 



No interchange through food aperture, in (+), or 



out(-). 



Nitrogen present at end of period, - ... 3574-58 



OXYGEN CORRECTIONS. 



.7) .OS liters. 

 .04 grams. 



AIR SAMPLE FOR ANALYSIS. 



Log. 10.016 

 Correction, 

 T , 

 Pressure 



Wt. H 2 O. 



0554 



Cms. to liters, 



Wt. CO 2 



.0441 



Cms. to liters, 



1. .00069 



.98895 

 .96858 

 .97992 



.93814 = 8.672 I. 



74351 

 63 



83813= .069 1. 



64444 

 7068O 



Log. 94265 



351 24= .022 1. 



o = 8.763 1. 



Colog. f =05735 



Manometer = 12.28 mm. 

 e @ Tm, = 17.84 mm. 



Sum = 30.12 mm. 



Barometer =755.78 mm. 



Difference =725.66 mm. 



Barometer = 755.78 mm. 

 Tm = 20.44 C. 



Tc = 2o.79C. 



TI = 20.0 C. 



I. 



II. 



III. 

 IV. = 



APPARENT VOLUME OF AIR. 



4909.88 + .05 



5, 14.60 .04 



(41.08) 

 1 13.7 ) 



4909.93 1. @ To 

 6.55 I- TI 



14.56 1. @ T! 

 54.78 1. @ Tj 



Log. I. 



To 



Pressure 



Log. II. 



TI 



Pressure 



Log. III. - 

 T, - - 

 Pressure - 



Log. IV. - 

 TI - - 

 Pressure - 



Total volume of air 

 Volume CO 2 + H 2 O 



0-fN 



" N - - 



O 



=69107 

 =96806 

 = 99758 



65671 = 4536.4 1- 



= 81624 

 = 96924 

 =99758 



78306 . 



6.07 1. 



4542.47 I- 



=16316 



= 96924 

 = 99758 



12998= 13.49 I- 



4555-96 1. 

 = 73862 

 =96924 

 =99758 



70544= 50-75 1. 



= 4606.71 1. 



- - 47.38 1. 



= 4559-33 1- 

 357458 1. 



984.75 



v 2 



V 3 



Log. wt. H 2 O in residual 

 -0554 - - = 74351 



Log V t - - = 65729 

 Colog. v - = 05735 



45815= 

 09463 



= 28.72 gms. H S O 



Cms. to liters 



(a) 55277 = 35.71 1- H 2 

 Log. wt. CO 2 in residual 



.0441 

 Log. V 2 

 Colog. z< 



Cms. to liters 



64444 

 = 65858 

 = 05735 



36037= 22.93 gms. CO S 

 70680 



(b) 0671 7=11.67 1. CO S 



(a) 

 (b) 



35-71 

 11.67 



1. 

 1. 



Log. 984.75 



" 4559-33 



By calculation 

 By analysis 



47.38 = 1. C0 2 + H 2 



= 99333 

 = 65890 



33443 



21.60 

 21.62$ 



