What Is ΔH°_rxn for the Decomposition of Calcium Carbonate to Calcium

question 81

Multiple Choice

What is ΔH°_rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide? CaCO₃(s) → CaO(s) + CO₂(g)

• A) -2236.0 kJ/mol
• B) -1449.0 kJ/mol
• C) -177.8 kJ/mol
• D) 177.8 kJ/mol
• E) 2236.0 kJ/mol

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