A STUDY IN .M 11 B 1 D AND iX U U .M A L 1' 11 V is 1 O L U U V 



21 



Samtlk Aiu 



TiMK -^'^ Tube Box Eect. General Samplk Am ('ALriiM Calcium Ki;5i.iicks 



Temp. Temp. Temp. Temp. Meteu. Metek. Metek. Tuiie. Tube. 



(Fah.) (Kah.) (Fall.) (Fall.) (cub. ft) (cub. ft.) (cub. ft.) (gnus.) (grnis.) (grms ) 



4:45 p.m. 65^.3 G'^.O (>8".U5 277.23 9S.U0Ui 17.4142 



5 6.=).4 68.0 

 5:15 65.2 67.8 

 5:30 6.1.2 68.0 

 5:45 65.7 68.1 



6 66.1 68.2 CO, in »;u\m\t>. 0.018 

 6:15 66.7 6S.2 68.9 89 3.58.34 99.0573 17.5005 CO^ iu air 0.0065 



65.66 68.03 0.85 81.110 0.0972 0.1763 0.(l(;51 0.0409 



(moan) 65.06 (gaiu) 0.0972 {gain) (gain) 



2.37 81.2072 



(gaiu) 



Before Section. 



Quantity of air (V) = 83.47."a at 67^.14-320= :ij.l4= t'. V + (V x f x 0.002035) = V. 



V =83.47.11^ „„ g^ W = Y X 0.0S073 = 6.289. 



1.0715 

 Eise iu temiJ. of air 1.52 = t. Q = W x t X sp. li. = C.289 X 1.52 x 0.2374= 2.2694 = heat given to air. 



Quotient for box ^1:^[^} — 355 y 0.1184 = 42.032 = moisture leaving bo.x. 



Quotient for air — '— — = 272.5 X 0.0579 = 15.778 = moisture entering box. 

 0.3063 



26.254 = moisture vapoi'lzcd iu box. 



26.254 , ,„, , , , , . ... 



= 4.181 = neat cxpcndeu lu vaporization. 



6.2789 



Eise in temp, of water 0.4 x 164.1414 = 05.65C5 = heat given to calorimetor. 



2.2G94 = heat given to air. 



4.181 = heat expended in vajiorization 



72.1069 = heat dissipated iu li hours. 

 Hourly dissipation of heat 48.0713 



After Section. 



Quantity of air (V) = 81.2072 at 680.03—32°= 36.03 = f. V + (V X t' X 0.002035) = V. 



V = ^.l--" '- = T.i.6. W = V X 0.08073 = 6.1. 



1.073 

 Eise in temp, of air 2.37 = t. Q = AV x t x sp. b. = 6.1 X 2-37 X 0.2374 = 3.4321 = heat given to air 



Quotient for box ^l^^^^l? = 835.4 X 0.0651 = 54.3845 = moisture leaving box. 

 0.0972 



Quotient for air ^^-^^'^ = .({jo.i; x 0.0409 = 18.83S5 = moisture entering bo.-;. 

 0.1763 , 



35.546 



,'!ri.546 = moisture vaporized iu box. 



= 5.6G1 = heat expended in vaporization. 



6.2789 



Eise iu temp, of water 0.85 X 164.1414 = 139.5202 = heat given to cahirimeter. 



3.4321 = heat given to air. 

 5.661 = heat expended in vaporization. 



148.6133 = heat dissipated in li hours. 

 Houiiy dissipation of heal 99.0755 



Summary. 



Hourly dissipation of heat after section 99.07:).') 



Hourly dissipation of heat before section 48.0713 



Gain in liourly dissipation of heat foUowimj section 51.0042 



