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

Acetylene 1.1614

Air 1.2923

Ammonia 0.7617

Carbon dioxide 1.9641

Carbon monoxide 1.2499

Chlorine 3.1650

Hydrocyanic acid 1.2036

Hydrochloric acid 1.6275

Hydrogen 0.08984

Hydrosulphuric acid 1.5211

Methane 0.7157

Nitric oxide 1.3410

Nitrogen 1.2501

Nitrous oxide 1.9677

Oxygen 1.4285

Sulphur dioxide 2.8596

Densities and Melting Points of Some Common Elements

DENSITY MELTING POINT

Aluminium 2.68 640

Antimony 6.70 432

Arsenic 5.73 —

Barium 3.75 —

Bismuth 9.80 270

Boron 2.45 —

Cadmium 8.67 320

Cæsium 1.88 26.5

Calcium 1.54 —

Carbon, Diamond 3.50 —

" Graphite 2.15 —

" Charcoal 1.80 —

Chromium 7.30 3000

Cobalt 8.55 1800

Copper 8.89 1084

Gold 19.30 1064

Iridium 22.42 1950

Iron 7.93 1800

Lead 11.38 327

Lithium 0.59 186

Magnesium 1.75 750

Manganese 8.01 1900

Mercury 13.596 -39.5

Nickel 8.9 1600

Osmium 22.47 —

Palladium 11.80 1500

Phosphorus 1.80 45

Platinum 21.50 1779

Potassium 0.87 62.5

Rhodium 12.10 —

Rubidium 1.52 38.5

Ruthenium 12.26 —

Silicon 2.35 —

Silver 10.5 960

Sodium 0.97 97.6

Strontium 2.50 —

Sulphur 2.00 114.8

Tin 7.35 235

Titanium 3.50 —

Zinc 7.00 420