the Heat of Combustion of Organic Compounds. 199 



Oxygen Molecular 



n , Molecular atoms n for heat of H 



Compound. formula. complete combustion, n' 



combustion. H. 



Unsaturated Hydrocarbons. 



Ethylene., C 2 H 4 6 333-3 55*5 



Propylene, normal C 3 H 5 8*5 4297 58*0 



Trimethylene 3 H 6 9 499*4 55*5 



Isobutylene C 4 H 1C 13 6506 505 



Isoamylene C 5 H 10 15 807-6 53*8 



Diallyl O e H 10 17 932*8 54*9 



Acetylene C 2 H 2 5 3100 620 



Allylene C,H 4 8 467*5 58*4 



Dipropargyl C 6 H 6 15 882-8 58'9- 



Halogen Compounds. 



Methyl chloride CH 3 C1 3*5 176*9 506 



Ethyl cbloride C 2 H 5 C1 6'5 344*1 530 



Propyl chloride C 3 H 7 C1 9*5 492-3 51'8 



Isobutyl chloride C 4 H 9 C1 12*5 6501 52'0 



Monochlorethylene C 2 H 9 C1 5*5 298*3 543 



Monochlorpropylene C 3 H 5 C1 8*5 453*3 53*4 



^Ulyl chloride 3 H.C1 8-5 454*7 53*5 



Phenyl chloride C 6 H 5 C1 14*5 763'8 52*7 



Ethylene chloride 2 H 4 C1 2 6 296*3 49"4 



Ethylidene chloride C 2 H 4 C1 2 6 296-4 49*4 



Chloracetol C 3 H 6 C1 2 9 453-8 50-5 



Oarbonyl chloride COCl 2 1 41*8 41*8 



Chloroform. CHC1 3 2'5 107-0 42*8 



Monochlorethylene cbloride.. . C 2 H 3 C1 3 5*5 262*5 47*7 



Tetrachlormethane CC1 4 2 75*9 37*9 



Tetrachlorethylene C 2 C1 4 4 195*0 48*8 



Methyl bromide CH 3 Br 3*5 184*7 52-8 



Ethyl bromide C 2 H-Br 6*5 341*8 52'6 



Propyl bromide 3 H 7 Br 9*5 499*3 52*6 



Allyl bromide C 3 H 5 Br 8*5 462*1 54*4 



Methyl iodide CH 3 I 3*5 196-0 56*0 



Ethyl iodide C 2 H 5 I 6*5 353*7 54'4 



Ethers and Acetals. 



Ethylene oxide 2 H 4 5 312*5 62'5 



Dimetbyl ether C 2 H 6 Q 6 349-3 58'2 



Metbyletbyl etber C 3 H 8 9 505*8 56*2 



Diethyl ether C 4 H 10 O 12 659*6 54'9 



Methylallyl etber 4 H 8 O 11 627*2 57*0 



Diallyl ether C 6 H, O 16 911*1 56*9 



Methylpropargyl ether C 4 H c O 10 603*8 60*3 



Anisol C 7 H 8 17 936*3 55*1 



Metbylal C 3 H 8 2 8 476*1 59*5 



Methal orthoformate .' C 4 H l0 O 3 10 599*1 59*9 



