Consider the reaction: 2H₂S(g) + 302 (g) → 2H₂O(l) + 2SO2(g) Using standard absolute entropies at 298 K, calculate the entropy change for the system when 2.47 moles of H₂S(g) react at standard conditions. ASO system Substance H₂S(g) O2(g) H₂O(1) SO₂(g) So (J/K mol) 205.8 205.1 69.9 248.2 J/K

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A: Temperature = 25°c = 298 K S°H2 = 131  J/K.mol S°Cl2 = 223 J/K.mol S°HCl = 187 J/K.mol

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