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1. In the metallurgy of antimony, the pure metal is recovered from the sulfide ore by...
- In the metallurgy of antimony, the pure metal is recovered from the sulfide ore by the following reaction: Sb2S3 (S) + 3Fe (s) 2 Sb(s) + 3FeS (s) AH = -125 kJ Calculate ASgurr for this reaction at 25 °C and 1 atm.
Thermodynamic properties of pure
substances
Standard thermodynamic quantities for selected substances at 25
°
C listed alphabetically by most important atom.
substance
Δ
Hf
°
(kJ/mol)
Δ
Gf
°
(kJ/mol)
S
°
(J/mol∙K)
Aluminum
Al3+ (aq)
---
-485.0
---
Al (s)
0
0
28.3
Al2O3 (s)
-1675.7
-1582.3
50.9
Al(OH)3 (s)
---
-1147.25
---
Bromine
Br− (aq)
---
-104.0
---
Br2 (l)
0
0
152.2
Br2 (g)
30.9
3.1
245.5
HBr (g)
-36.3
-53.4
198.7
Calcium
Ca2+ (aq)
---
-553.6...