In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the following thermochemical equations, The AH for the reaction Fe₂O3(s) + 3CO(g) 3Fe₂O3(s) + CO(g) Fe3O4(s) + CO(g) 2Fe(s) + 3CO₂(g) 2Fe3O4(s) + CO₂(g) 3FcO(s) + CO₂(g) AH°=-28 kJ AH° = -59 kJ ΔΗ° = +38 kJ FeO(s) + CO(g) Fe(s) + CO₂(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH for FeO.
In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the following thermochemical equations, The AH for the reaction Fe₂O3(s) + 3CO(g) 3Fe₂O3(s) + CO(g) Fe3O4(s) + CO(g) 2Fe(s) + 3CO₂(g) 2Fe3O4(s) + CO₂(g) 3FcO(s) + CO₂(g) AH°=-28 kJ AH° = -59 kJ ΔΗ° = +38 kJ FeO(s) + CO(g) Fe(s) + CO₂(g) is -16.8 kJ. Use this data and the data in the following table to calculate the value of AH for FeO.
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Transcribed Image Text:Standard Enthalpies of Formation of Typical Substances
AH; (kl mol-¹)
AN (N) mol-¹)
0
Substance
H₂O₂(/)
- 100.4
HBr(g)
- 127.0
HCI(g)
0
- 1669.8
HI(g)
HNO,(!)
H₂SO4(!)
HC,H,O,()
0
- 110.5
-393.5
Substance
Ag(s)
AgBr()
AgCl(s)
AIG)
Al₂O₂(6)
C() (graphite)
CO(g)
CO₂(g)
CH,(g)
CH₂Cl()
CH()
CH₂OH(A)
CO(NH2)z(s) (urea)
CO(NH2):(aq)
C₂H₂(g)
C₂H4(g)
Hg(/)
Hg(g)
1₂()
K(s)
KCI(s)
K₂SO4(s)
N₂(8)
226.75
NH,(g)
52.284 NH,Cl(s)
-74.848
-82.0
14.2
-238.6
-333.19
-391.2
-187.6
-36
-92.30
26.6
-173.2
-811.32
-487.0
0
60.84
0
0
-435.89
- 1433.7
0
-46.19
-315.4
the value of AH, for FeO.
Substance
C₂Hs(g)
C₂H₂OH()
Ca(s)
CaBr₂()
CaCO3(s)
CaCl₂(s)
CaO)
Ca(OH)₂()
CaSO4(s)
CaSO4 H₂O(s)
CaSO4 2H₂O()
Cl₂(g)
Fe(s)
Fe₂O3(s)
H₂(g)
H₂O(g)
H₂O(!)
AH; (kJ mol-¹)
-84.667
-277.63
0
-682.8
- 1207
-795.0
-635.5
-986.59
Substance
NO(g)
NO₂(g)
N₂O(g)
N₂O(g)
N₂O3(g)
Na(s)
NaHCO3(s)
Na₂CO3(s)
NaCl(s)
NaOH()
Na₂SO,(s)
- 14327
- 1575.2
-2021.1
0
0
0₂(g)
Pb(s)
PbO(s)
-822.2
0
S()
-241.8 SO₂(g)
-285.9
SO₂(g)
AHI (KJ mol-¹)
90.37
33.8
81.57
9.67
11
0
-947.7
- 1131
-411.0
-426.8
- 1384.5
0
0
-219.2
0
-296.9
-395.2
Transcribed Image Text:In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by reactions involving carbon monoxide. Use the
following thermochemical equations,
The AHF for the reaction
Fe₂O3(s) + 3CO(g)-
3Fe₂O3(s) + CO(g)
Fe3O4(s) + CO(g).
2Fc(s) + 3CO₂(g)
AH* = -28 kJ
2Fe3O4(s) +CO₂(g)
AH° = -59 kJ
3FcO(s) + CO₂(8)
AH = +38 kJ
FeO(s) + CO(g) → Fe(s) + CO₂(8)
is -16.8 kJ. Use this data and the data in the following table to calculate the value of AHF for FeO.
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