We’re being asked to determine the calculate the free energy change for the reaction at 24 °C.
In this case, we can determine ΔS and use the relationship between ΔS and ΔH.
We can calculate for ΔS using the following equation:
2 Ca(s)+O2(g) → 2 CaO(s) ΔH°rxn= -1269.8 kJ; ΔS°rxn= -364.6 J/K.
Calculate the free energy change for the reaction at 24 °C.
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