Problem: Calculate Δ Hrxn for the following reaction:CaO(s) + CO2 (g) ---> CaCO3 (s)Use the following reactions and given Δ H values:Ca(s) + CO2(g) + 1/2 O2(g) --> CaCO3 (s), ΔH = -812.8 kJ2Ca(s) + O2 (g) --> 2CaO(s),  ΔH = -1269.8 kJExpress your answer using four significant figures.

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Calculate Δ Hrxn for the following reaction:

CaO(s) + CO2 (g) ---> CaCO3 (s)

Use the following reactions and given Δ H values:

Ca(s) + CO2(g) + 1/2 O2(g) --> CaCO3 (s), ΔH = -812.8 kJ

2Ca(s) + O2 (g) --> 2CaO(s),  ΔH = -1269.8 kJ

Express your answer using four significant figures.