220 



V i: \ I : i; . 



Riw in temp of air ft.02 - t. Q - W X t X »V h. = 37.CC X P W X 02374 - 71 .7027 = bcot given to >ir. 

 Hue m temp, ol wuicr l.BO X 130.80«3 = 2411 337.') li.ut jrivi-ii to culorina-ttr. 



71.70'J7 licut ^ivcii to air. 



31.^.1002 = bi'ut diiwipatvd in C buur*. 

 Hourly distipation of heal 52..')1G7 



Sevtnlh Period — 

 Quantity of oir (V) = 514.18 at G7'=.73 — 320 =• 35.73.= t'. 

 V -I- (V X t' X 0.002035) - V". V -'''■'. '."^ — 479.2. W - V X 0.08073 - 3fl.C8f. 



RiM in temp, of air 5.32 - t. Q = \V X t X «p. h- = 38.C8G X 5-32 X 0.2374 = 4B.««59 — beat given to air. 

 Riae lu temp, of water 2.277 X 130.8589 — 297.9657 — heiit given to calorimeter. 



48.859 •-= beat given to air. 



34C.H247 — heat diiisipaled in 5j hours. 

 Hourly diisipation of heal C3.0588 



Eijltlh !\ri«d- 

 Quontity of air (V') = 327.75 ot 70O.58 — 32== 38.58= t'. 



V + (V X f X 0.002035) -= V. V = ??-" ''' - 304. W — V X 0.08073 — 24.54 

 ' ^ ^ ' 1.078 



Rise in temp, of air 2.15 = t. Q = W x t X sp. h. = 24.54 X 2.15 x 2374 = 12.5255 = heat given to oir. 



Rise in temp, of water 2.124 X 130.8589 = 277.9443 = heal given to iiilorimeier. 



12.5255 = heat given to air. 



290.4098 — heat dissipated in 4 hours. 

 Hourly diuipalton of heat 72.6174 



ffinth Period — 

 Qnonlity of air (V) = 37C.2 ot 71 .73— 32C^ = 39.73 = I'. 



V + ( V X t' X 0.002035) = V. V = ^'^-^ — 348.3. W = V X 0.08073 = 28.12 

 ^ ^ ' 1.08 



Rise in temp, of air 1.6 =t Q= Wx tx sp. h. =28.12 X 1-6 X 0.2.374 = 10.C811 = beat given to oir. 



Rise in temp, of water 4.744 X 130.8589 = 620.7946 = heol given to calorimeter. 



10.0811 = beat given to oir. 



G31.4757 = heat dissipated in 5 hours. 

 Hourly di$sij)alion of heat 126.2951 



Tenth Period— 

 Quantity of oir (V) = 441.09 at 72<5.C4 — 32^ = 40.64 = t'. 



V -I- (V X t' X 0.002035) = v. V = li'-^ = 408.9. W = V X 08073 = .33.01 



Rise in temp, of nir 3 11 = t. Q = W X t X "P h- = 33.01 X3.ll X 0.2374 =24.3717 = beat given I., air. 

 HLw in temp, of water 4.59 X 130.8589 = 600.6423 = lieot given to calorimeter. 



24.3717 = heat given to air. 



62.'). 014 = beat dissipated in hours. 

 Hourly dissipation of hral 101.17 



Eleventh Period— 

 Qoontily of air ( V) — 3.34.3 at 70 .95 — 32° = 38.95 = t'. 



V + (V X f X 0.002035) = v. V = ^-""J? = 309.8. W = V x 0.08073 = 25 01 



1.079 



Ri»e in temp, of air 4.54 = t. Q = W X t X »p. h. = 25.01 X 4.54 X 0.2374 — 26.9557 = beat given to air. 

 ItiM' ill u-mp. of water 2.1 X 130.8589 = 274.8038 = heat given to rnlorimctcr. 



26.9557 — beat given to nir. 



^ 301.7595 = beat dissipolcd in 4i hours. 



Hourly dissipation of heat C7.058 



