17. Calculate the ΔG°rxn using the following information. 2 H2S(g) + 3 O2(g) → 2 SO2(g) + 2 H2O(g) ΔG°rxn = ? ΔH°f (kJ/mol) -20.6 0 -296.8 -241.8 S°(J/mol∙K) 205.8 205.2 248.2 188.8
Added by Dena L.
Step 1
ΔH°rxn = Σ ΔH°f (products) - Σ ΔH°f (reactants) = [2*(-296.8) + 2*(-241.8)] - [2*(-20.6) + 3*0] = -1077.2 kJ ΔS°rxn = Σ S° (products) - Σ S° (reactants) = [2*248.2 + 2*188.8] - [2*205.8 + 3*205.2] Show more…
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