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Metallurgical Engineering · Q33

Metallurgical Thermodynamics and Kinetics

Engineering and GATE · Metallurgical Engineering · question 33

Q33

Zinc oxide is reduced at a constant temperature in a closed reactor using ZnO(s) and C(s) as the only starting materials. The following reactions are assumed to be at thermodynamic equilibrium: ZnO(s) + C(s) = Zn(g) + CO(g) 2CO(g) = CO2(g) + C(s) Assume ideal gas behaviour. Based on mole balance, the relationship applicable to the system at equilibrium is

A.
Pzn = Pco + 2Pco2
Answer
B.
Pzn = 2pco + Pco2
C.
Pzn = pco + Pco2
D.
Pzn = 0.5 Pco + 2Pco2

Answer: Option A

Solution

Answer: Option A
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