Properties of Selected Chemicals of Environmental Significance - Elements of Environmental Engineering: Thermodynamics and Kinetics - page 425

Appendix1

Properties of Selected
Chemicals of
Environmental
Significance

Mixing Aqueous

Log( K AW /

Molecular Ratio Solution Log

) C i /mol/dm 3 ) adm 3 /mol) Compound Weight ( χ i / [−] ( K ow / [−] )

1. Inorganic Compounds a−c

6-12 × 10 − 6 9.3 × 10 − 4

CO 28 + 4.99

3.3 × 10 − 2 CO 2 44 0.035 + 3.47 0.83

6.2 × 10 − 4

N 2 28 79 + 5.19 0.67

≤ 5 × 10 − 8 1.8 × 10 − 3

NO 30 + 4.73

1-10 × 10 − 8

NH 3 17 28.4 + 0.22 − 1.37

≤ 5 × 10 − 7

NO 2 46 + 4.00

6 × 10 − 5 7.7 × 10 − 4 H 2 2 + 5.10 0.45

2.6 × 10 − 4

O 2 32 21 + 4.90 0.65

1-10 × 10 − 6 4.4 × 10 − 4

O 3 48 + 3.91

1-10 × 10 − 9

SO 2 64 1.5 + 1.92

≤ 2 × 10 − 8

H 2 S 34 0.1 + 3.01 0.96

H 2 O 18 3.2 — — − 1.15

1 × 10 − 7

− 2.85 − 1.08

H 2 O 2 34

3.0 × 10 − 5 2.4 × 10 − 2

+ 3.60

N 2 O 42 0.43

1-10 × 10 − 8 HNO 3 (g) 63 − 3.32

HCl (g) 36.5 − 1.39

continued

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