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We are asked to calculate ΔS˚rxn for the balanced chemical equation 2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g)
Calculate ΔS˚rxn using the equation below:
S˚ of H2S(g) = 205.8 J/(mol•K)
S˚ of O2(g) = 205.2 J/(mol•K)
S˚ of H2O(g) = 188.8 J/(mol•K)
S˚ of SO2(g) = 248.2 J/(mol•K)
Calculate ΔS˚rxn for the balanced chemical equation
2 H2S(g) + 3 O2(g) → 2 H2O(g) + 2 SO2(g)
Standard enthalpies for selected substances at 25oC
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