300 



ILLINOIS STATE ACADEMY OF SCIENCE 



TABLE I. 



(1) 



(2) 



(3) 



(4) 



(5) 



TAB 



C6) 



Substance Tb 



Helium 4.3 



Hydrog-en 20.2 



Nitrogen 77.3 



Oxygen 90.1 



Methane 108.8 



Phosphine 187 . 5 



Hydrogen chloride 190.0 



Hydrogen bromide 205.0 



Hydrogen sulphide 211.5 



Hydrogen iodide 234.0 



Chlorine 240.0 



Ethyl chloride 285.6 



Boron trichloride 291.2 



Isopentane 301.0 



Ether 308.0 



N-pentane 308.8 



Carbon disulphide 319.0 



Silicon tetrachlor 329.8 



Diisopropyl 330 . 5 



Bromine 331.6 



Chloroform 333.2 



N-hexane 341 . 6 



Phosphorous Trichlor.... 346.2 



Carbon tetrachlor 350.7 



Benzole 353.3 



Hexamethvlene 353 . 5 



Flourbenzole 358.0 



N-heptane 371.0 



Diisobutyl 382.2 



Toluole 383.4 



Stannic chloride 387.2 



N-octane 398.5 



Chlorbenzole 405.0 



Propylene bromide 414.0 



Brombenzole 428.5 



Trimethylene brom 437 . 4 



Benzoic aldehyde 451.3 



lodobenzole 461 . 



Benzonitrile 463 . 6 



Benzoyl chloride 470.1 



Nitrobenzole 485.0 



Naphthalene 491.0 



Chlornaphthalene 532 . 3 



Acenaphthene 550.5 



Bromnaplithalene 554 . 



Phthalic anhydride 556.5 



Fluorene 570.5 



Phenanthrene 611.0 



Anthracene 615 . 



Carbazol 624.0 



Mercury 630.0 



Sulphur 720.0 



Cadmium 1057 



Zinc 1198 



Antimony 1600 



Bismuth 1780 



Lead 1830 



Silver 2218 



Tin 2545 



Copper 2600 



Gold 2885 



Platinum 4270 



Tungsten 5280 



Water 373.0 



Ethyl alcohol 351.4 



Phenol 454.4 



Acetic acid 392.2 



Aniline 456.9 



Acetophenone 474 . 5 



