*Antimony Sb 120.2 *Argon A 39.9 *Arsenic As 75.0 *Barium Ba 137.4 Beryllium Be 9.1 *Bismuth Bi 208.5 *Boron B 11.0 *Bromine Br 79.96 *Cadmium Cd 112.4 Caesium Cs 132.9 *Calcium Ca 40.1 *Carbon C 12.00 Cerium Ce 140.25 *Chlorine Cl 35.45 *Chromium Cr 52.1 *Cobalt Co 59.0 Columbium Cb 94.0 *Copper Cu 63.6 Erbium Er 166.0 *Fluorine F 19.0 Gadolinium Gd 156.0 Gallium Ga 70.0 Germanium Ge 72.5 *Gold Au 197.2 Helium He 4.0 *Hydrogen H 1.008 Indium In 115.0 *Iodine I 126.97 Iridium Ir 193.0 *Iron Fe 55.9 Krypton Kr 81.8 Lanthanum La 138.9 *Lead Pb 206.9 Lithium Li 7.03 *Magnesium Mg 24.36 *Manganese Mn 55.0 *Mercury Hg 200.0 Molybdenum Mo 96.0 Neodymium Nd 143.6 Neon Ne 20.0 *Nickel Ni 58.7 *Nitrogen N 14.04 Osmium Os 191.0 *Oxygen O 16.00 Palladium Pd 106.5 *Phosphorus P 31.0 *Platinum Pt 194.8 *Potassium K 39.15 Praseodymium Pr 140.5 Radium Ra 225.0 Rhodium Rh 103.0 Rubidium Rb 85.5 Ruthenium Ru 101.7 Samarium Sm 150.3 Scandium Sc 44.1 Selenium Se 79.2 *Silicon Si 28.4 *Silver Ag 107.93 *Sodium Na 23.05 *Strontium Sr 87.6 *Sulphur S 32.06 Tantalum Ta 183.0 Tellurium Te 127.6 Terbium Tb 160.0 Thallium Tl 204.1 Thorium Th 232.5 Thulium Tm 171.0 *Tin Sn 119.0 Titanium Ti 48.1 Tungsten W 184.0 Uranium U 238.5 Vanadium V 51.2 Xenon Xe 128.0 Ytterbium Yb 173.0 Yttrium Yt 89.0 *Zinc Zn 65.4 Zirconium Zr 90.6 APPENDIX B Tension of Aqueous Vapor expressed in Millimeters of Mercury TEMPERATURE PRESSURE 16 13.5 17 14.4 18 15.3 19 16.3 20 17.4 21 18.5 22 19.6 23 20.9 24 22.2 25 23.5 Weight of 1 Liter of Various Gases measured under Standard Conditions