Calculate ?Hrxn for the reaction: Use the following
Chapter 6, Problem 80E(choose chapter or problem)
Calculate \(\Delta H_{\mathrm{rxn}}\) for the reaction:
\(\mathrm{CaO}(s)+\mathrm{CO}_2(g) \longrightarrow \mathrm{CaCO}_3(s)\)
Use the following reactions and given \(\Delta H\) 's.
\(\begin{array}{r} \mathrm{Ca}(s)+\mathrm{CO}_2(g)+1 / 2 \mathrm{O}_2(g) \longrightarrow \mathrm{CaCO}_3(s) \\ \Delta H=-812.8 \mathrm{~kJ} \end{array}\)
\(2 \mathrm{Ca}(s)+\mathrm{O}_2(g) \longrightarrow 2 \mathrm{CaO}(s) \quad \Delta H=-1269.8 \mathrm{~kJ}\)
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