1. A key step in the extraction of iron metal from iron ore is: FeO(s) + C0 (g)
ID: 702888 • Letter: 1
Question
1. A key step in the extraction of iron metal from iron ore is: FeO(s) + C0 (g) re(s) + C02 (g) Kp-0.403 at 1000°C What are the equilibrium partial pressures of CO, and CO2(p when 1.00 atm of COe is reacted with an excess of FeOs) at 1000°C? Hydrogen sulfide (L, S) decomposes according to the following reaction with a K. = 9.30 x 10-8 at 700°C. If 0.450 mols of H2S were placed in a 3.00 L container, what would the equilibrium pressure of H2 (g be at 700 C? As part of your answer, clearly demonstrate if the "x-is-small" assumption is valid. 2. 2 H2,s)2 H2 a) S2 ()Explanation / Answer
Ans 1
Reaction with ICE TABLE
FeO + CO = Fe + CO2
I 1
C - x +x
E (1-x) x
Equilibrium constant expression of the reaction
Kp = PCO2 / PCO
0.403 = x/(1-x)
0.403 - 0.403x - x = 0
0.403 = 1.403x
x = 0.287
Equilibrium partial pressure of CO = 1-x = 1 - 0.287 = 0.713 atm
Equilibrium partial pressure of CO2 = x = 0.287 atm
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