4) What is AH for BaCO3 (s)- BaO (s)+ CO2 (g) Given reactions AH= -1106.0 kJ 2 Ba (s)+ 02 (g) Ba (s)+ CO2 (g)+ 1/2 O2 (g) 2 BaO (s) AH= -822.0 kJ BaCO3 (g)

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