Problem: Find ΔH° for BaCO3 (s) → BaO (s) + CO2 (g) given that 2Ba (s) + O2 (g) → 2BaO (s)     ΔH° = -1107.0 kJBa (s) + CO2 (g) + 1/2O2 (g)→ BaCO3 (s)     ΔH° = - 822.5 kJ a. -1929.5 kJ b. -1376.0 kJ c. -284.5 kJ d. 269.0 kJ e. 537 kJ

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Find ΔH° for BaCO3 (s) → BaO (s) + CO2 (g) given that 

2Ba (s) + O2 (g) → 2BaO (s)     ΔH° = -1107.0 kJ

Ba (s) + CO2 (g) + 1/2O2 (g)→ BaCO3 (s)     ΔH° = - 822.5 kJ 

a. -1929.5 kJ 

b. -1376.0 kJ 

c. -284.5 kJ 

d. 269.0 kJ 

e. 537 kJ


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