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Calculate ΔHrxn for the following reaction: CaO(s)+CO2(g)→CaCO3(s) Use the following reactions and given ΔH values: Ca(s)+CO2(g)+12O2(g)→CaCO3(s), ΔH= -812.8...

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Chemistry

Calculate ΔHrxn for the following reaction:

CaO(s)+CO2(g)→CaCO3(s)

Use the following reactions and given ΔH values:Ca(s)+CO2(g)+12O2(g)→CaCO3(s), ΔH= -812.8 kJ

2Ca(s)+O2(g)→2CaO(s), ΔH= -1269.8 kJ

Express your answer using four significant figures.

Answer & Explanation Solved by verified expert
3.8 Ratings (681 Votes)
Ans Given Cas CO2g 12 O2 CaCO3s dH 8128 kJ reaction 1 2 Cas O2g 2 CaOs dH 12698 kJ reaction 2 CaOs CO2g CaCO3s dH reaction 3 Using Hesss Law of    See Answer
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