V2 



Fi: V i: u. 



!•< I'rnoJ— 

 yuaiitily of nir (V) = 72.95 At 650.1-32"' = 33 1 =. t'. 



V + (V X I' X 0.002035) — V. V = - ;i7. W — V X 0.08073 = 5.5 



RW JD temp, of air 2.5fl — t. (^ = \V x I X up. h. — 5.5 X 2.58 X 0.2374 = 3.3G8G ^^ bi-ul giviii lo uir. 

 Itiw iu Icuip. ut wolcr 0.504 X 104.1414 = t)2.7273 — lu'ut (:ivi'ii to culuriiucUr. 



3.3C8C — la-ul givuu 10 uir. 



Uoxirlij dissipation of heat 80.0959 



Id Pieriod— 

 Quuutity of nir ( V) = 72.05 at C4C.75— 32° = 32.75 = t'. 

 V + (V X t' X 0.002035) = v. V = J.^:^L = 68.09. W = V x 0.08073 = 5.5 



IlJM- in t.iiip. of nir 2.07 = t. Q = W x t x f p- li. = 5.5 X 2.07 X 0.2.17 I = 2.7028 = Leal givoii I.. >ir 

 Uiso IU ti-iiip. uf wutvr 0.03 X 104.1414 — 10,'I.4U91 = lieut |,'iveii Iu culuriinvUT. 



2.7028 s= Lcut giveu to air. 



Ihat dissipated in one hour 100.1119 



3d /^riod— 

 Quontity of oir ( V) = 75.395 at 08=.97 — 32° = 30.97 = t'. 



V + (V X t X 0.002035) = v. V = '•''^^^ = 70. W = V x 0.0H073 = 5.7 



1.075 



R'tne in temp, of oir l.l = t. t^ = W x t x sp. 1". = 5.7 x 11 X i».l';i74 = 1.4Htt5 = lit-at pivi-n to »ir. 



liiao iu temp, uf water 1 X 104.1414 = 104.1414 = beat given to calorimeter. 



1.4885 = beat given tu air. 



Hourlij ih\,,v.,i:nn of heat 105.0299 



4/^ Period— 

 Quontity of air (V) = .14.2 at 08. 22 — 32^= 3G.22 = t'. 



V + ( V X t' X 0.002035) = v. V = ■''•' f ^ 32. W = V x 0.08073 = 2.0 



1.073 



Riiw in temp, of air 2.03 = t (J = W x t X sp. li. = 2.0 X 2.03 x 0.2374 = 1 .2.529 = b.ot given to air. 



Riw in tinip. of water 0.075 x 104.1414 = 110 7954 = beat given to calorimeter 



1.2529 = beat given to air. 



SCVMARY. 



112.0483 ^ heat dissipated in tbreo- quarters of on hour. 

 Hourly dissipation of heal 149.3977 



Hourly beat di»iipation before section 41.248't 



Hourly beat dissipation after section : Ist periml 80.0959 



2d period 100.1119 



3d period 165.6299 



4tli i>eriod 149.3977 



ITiut PnKlnction. 



neFORR .^t.' 11 •>. 



No rhanire iu the lM>dily tcmpornlnre. 



Hourly dissipation = bourly production of beat 41.2484 



A ITER Sbctiom. 

 \a Period— 

 Woe of tbo iKxiily Icmprratare 1.34 = t. 



Q •= W X t X sp. h. == 15.75 X l.'M X 0.75 = 15.8286 •= heat added lo reserve. 

 Hourly dimipntion of beat 80.0959 



Uonrly addition lo heat reserve l."i.H2H6 



Hourly produrlion of heal 101.9245 



