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Metallurgical Engineering · Q46

Metallurgical Thermodynamics and Kinetics

Engineering and GATE · Metallurgical Engineering · question 46

Q46

Decomposition of calcium carbonate occurs as: CaCO3 = CaO + CO2 : ΔG0T = 17710 - 158T J. mol-1 What will be the decomposition temperature (in K) of CaCO3, if the activity of CaO is 0.5 and the pressure is 3 atmospheres?

A.
142.7
Answer
B.
1120.9
C.
1424.8
D.
2549.6

Answer: Option A

Solution

Answer: Option A
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