Question

What is the equilibrium constant for the reaction below at 25 C? (R = 8.314 J/Kmol)
MgCO3(s) MgO(s) + CO2(g)
given DfG [MgCO3(s)] = -1028.2 kJ/mol, DfG [MgO(s)] = -568.8 kJ/mol, and DfG [CO2(g)] = -394.4 kJ/mol.
A.4.0 10-12
B.0.97
C.1.0
D.1.0 104
E.2.5 1011

Answer

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