i;iG 



Fi: V !•: i;. 



Tmi: AiuTrMf. TfoeTrjir. Box Tim r. 



I iS.i iKuh.) (K»l».) 



2:18 A. X t ' -I t- ii'J 6-l-'.13 



2:45 ^'i<'t <■'■' ■'*■' 



3-i 6o.;i t . ' 



3^5 Cy.U t- IS 



3:38 Cy.bC f.**'."< 



4 67.01 07.88 



4:ls C.Vi:i 



GT.Hl C8.1 l.l 158 



(miuii) C7.81 (kTiin) 



0.29 

 (gaiu) 



4:30 A. M. — Rectal tcmpornturc 102'. 5. 

 0:1! \ M — Ufclul IciupLTtiture 103''. 3. 



Tim*. AinTmi-. TrnKTnir. Box Tiuir. (Skx. Metku. BKMAiuKm. 



(Fah.) (Full.) (Fnh.) (oub. ft.) 



7::» A.M. C8 .36 C7'A16 C4-'.22 227 



7:18 C7.r.l f.7.7C 



7:33 60.47 GH.09 



7:48 67.16 C8.18 



8J 67.28 CH.27 



8:18 6C.02 C-.IM 



H:33 CC.H r- JT 



8:48 Cr..G8 ('.".18 



9-J 67.7G 08.27 65.39 323 



67.23 68.07 1.17 96 



(mean) 67.23 (gain) 



0.84 

 (gain) 



9:13 A. M. — llectal tcnipcroturc 102°. 9. 



JJcat DisnijHilion. 

 Beforf. Opeuation. 



(Juantity ofoir (V) = 119.25 at 66^5.67 — 32° = 3-1.67 = t'. 



V + ( V X t' X 0.00203.')) = V. V = '''-•'' = 111.4.-.. W = V X 0.nsn73 = 9 



1.07 



Rise in Ump. of air 1.21 = t. Q = W x t X sp. h. = 9 x 1.21 X 0.2374 = 2.58.-.3 = heat given to air. 



Rise in temp, of water 3.51 x 130.8589 •— 459.3147 «= heat given to calorimeter. 



2.5853 "= heat given to air. 



■U^,].<^ =3 heat dissipated in 3 hours. 

 Hourly iliffipalivti </ heat l.')3.C3 



After Operation. 

 Firsl Period — 

 Quantity of air (V) = 104.45 at 67^.31 —320 = 35.31 = f. 



V + (V X I' X 0.0020.35) = v. V = '^^^■^^ = 97..U. AV — V X 0.08073 — 7.866 



1.072 

 Rido in temp, of air 2 58 = t. Q = W X t X 8p. h- = 7.866 X 2.58 X 0.2374 = 4.8179 = heat given to iif. 



Rise in temp, of water 3.35 X 130.8589 — 438.3773 -= heat given to calorimeter. 



4.8179 — heat given to air. 



443.19.'i2 •^ heat dUsipated in 2 hours. 

 Hiiuriy iiiffipa'i>-ii </ heal 221.5976 



