Consider we have a silicate glass composition, this composition as shown below in percent by weight 15Na₂O +5K₂O +2.5MgO +9.5 CaO +6 BaO +5Al2O3 +57 SiO₂- First, convert this composition to mole percent. Then classify each oxide added to the glass according to Sun's bond criteria. According to this classification, is this composition make glass or not? Min MO Valance Dissociation energy per MOX (in Kcal.) 120 Coordination Number 9 Single Bond Strength (Kcal/mole) 20

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Consider we have a silicate glass composition, this composition as shown below in percent by weight
15Na₂O +5K₂O + 2.5MgO +9.5 CaO +6 BaO + 5Al₂O3 +57 SiO₂.
First, convert this composition to mole percent. Then classify each oxide added to the glass according
to Sun's bond criteria. According to this classification, is this composition make glass or not?
Min MO
K
Mg
Ca
Al
Si
Valance
1
1
2
2
2
3
4
Dissociation
energy per MOX
(in Kcal.)
120
115
222
257
260
402
424
Coordination
Number
6
9
6
8
8
4
4
Molecular weight of oxides is shown below
Oksitier (Molekil Agri): NajO (61.97), K,0 (94.18), MgO (40.31), CaO (56.08), Bao (153.33), ALO,
(1015), 50, (60.08)
Single Bond
Strength
(Kcal/mole)
20
13
37
32
33
101
106
Transcribed Image Text:Consider we have a silicate glass composition, this composition as shown below in percent by weight 15Na₂O +5K₂O + 2.5MgO +9.5 CaO +6 BaO + 5Al₂O3 +57 SiO₂. First, convert this composition to mole percent. Then classify each oxide added to the glass according to Sun's bond criteria. According to this classification, is this composition make glass or not? Min MO K Mg Ca Al Si Valance 1 1 2 2 2 3 4 Dissociation energy per MOX (in Kcal.) 120 115 222 257 260 402 424 Coordination Number 6 9 6 8 8 4 4 Molecular weight of oxides is shown below Oksitier (Molekil Agri): NajO (61.97), K,0 (94.18), MgO (40.31), CaO (56.08), Bao (153.33), ALO, (1015), 50, (60.08) Single Bond Strength (Kcal/mole) 20 13 37 32 33 101 106
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