13. What is the partial pressure of CO2 in an equilibrium decomposition process of CaCO at 750.0°C? CACO3(s) CaO(s) CO:(g) Given: Substance AHP (kJ/mol) S (J/K.mol) CACO3(s) -1206.9 CaO(s) -635.6 CO2(g) -393.5 92.9 39.8 213.6 A) 0.203 atm B) 0.535 atm C) 4.93 atm D) 0.0253 atm

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