Physical Chemistry Third Edition

A Tables of Numerical Data 1211

Table A.3 (continued)

Parameters for the Redlich-Kwong Equation of State

P

RT

Vm−b

−

a

T^1 /^2 Vm(Vm+b)

Substance a/Pa m^6 mol−^2 K^1 /^2 b× 105 /m^3 mol−^1

Ammonia 8. 59 2. 56

Argon 1. 69 2. 22

Carbon dioxide 6. 44 2. 96

Helium 0. 00835 1. 67

Hydrogen 0. 14195 1. 813

Methane 3. 20 2. 96

Neon 0. 149 1. 22

Nitrogen 1. 56 2. 68

Oxygen 1. 74 2. 21

Xenon 7. 20 3. 56

Water 14. 24 2. 11

From R. C. Weast, ed.,Handbook of Chemistry and Physics, 64th ed., CRC

Press, Boca Raton, FL, 1983, p. D191.

Table A.4 Second Virial Coefficients

B 2 × 105 /m^3 mol−^1

Temperature/◦C

Substance − 100 − 50 0 50 100 150

Argon − 6. 43 − 3. 74 − 2. 15 − 1. 12 − 0. 42 0. 11

Carbon dioxide − 15. 4 − 10. 3 − 7. 3 − 5. 1

Helium 1. 17 1. 19 1. 18 1. 16 1. 14 1. 10

Nitrogen − 5. 19 − 2. 64 − 1. 04 − 0. 04 0. 63 1. 19

Water − 45. 0 − 28. 4

Xenon − 8. 12

Data from D. P. Shoemaker, C. W. Garland, and J. I. Steinfeld,Experiments in Physical Chemistry,

4th ed., McGraw-Hill, New York, 1981, p. 64, and J. O. Hirschfelder, C. F. Curtiss, and R. B. Bird,

Molecular Theory of Gases and Liquids, Wiley, New York, 1954, pp. 167, 227.

Table A.5 Critical Constants

Substance Tc/K Pc/bar Vmc× 106 /m^3 mol−^1 PcVmc/RTc

Ammonia 405. 6114. 070. 40. 238

Argon 151 49 75. 20. 291

Carbon dioxide 304. 173. 893. 80. 274

Helium 5. 32. 29 57. 80. 300

Methane 190. 746. 499. 00. 290

Neon 44. 526. 241. 70. 296

Nitrogen 126. 133. 990. 10. 292

Oxygen 154. 450. 474. 40. 292

Xenon 289. 81 58. 66 120. 20. 293

Water 647. 2 221. 254. 50. 224

From J. O. Hirschfelder, C. F. Curtiss, and R. B. Bird,Molecular Theory of Gases and Liquids, Wiley,

New York, 1954, p. 245, and R. C. Weast, ed.,Handbook of Chemistry and Physics, 64th ed., Boca

Raton, 1983, pp. F66–F67.