What is the partial pressure of carbon dioxide at equilibrium at 1,042 K. CaCO3(s) CaO(s) +CO₂(g) AG (kJ/mol) AHf (kJ/mol) Sᵒ (J/mol-K) CaCO3(s) -1081.4 -1220.0 110 CaO(s) -603.7 -634.9 38.1 CO₂(g) -394.36 -393.51 213.8

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