Table 3: Composition and dissociation energy of oxides in highlands regolith. Turkevich [16], Ptacek [19], Brewer [20], Lide [21], and McKay [17].

Oxide

Oxide in reolith [13]

Dissociation Energy [14,15]

Gram Mol

Gram Mol Ratio

Molar % in Oxide

mMol

O2

Metal

O2

Metal

O2

Metal

%

KJ/mol

eV

J/g

g mol

G mol

g mol

%

%

g mol

g mol

SiO2

45.5

707.6

7.33

11793

60

32

28

53

47

14.56

12.74

Al2O3

22.2

1030

10.67

10098

102

48

54

47

53

10.66

11.99

FeO

7.5

410.3

4.25

5699

72

16

56

22

78

1.2

4.2

CaO

15

431.3

4.47

7702

56

16

40

28

72

2.4

6

MgO

7.8

418.7

4.34

10468

40

16

24

4

6

1.25

1.87

TiO2

1.3

669.9

6.94

8374

80

32

48

4

6

0.42

0.62

Anorthite

60% [17]

1165 [19]

12.07

4191

278

128

150

46

54

76.8

90

Ilmenite

10% [17]

1154

11.9

7592

152

48

104

32

68

4.8

10.4