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Calculate ΔS∘rxn for the balanced chemical equation H2S(g)+2O2(g)→H2O(g)+SO3(g) Express the entropy change to four sig...

Calculate ΔS∘rxn for the balanced chemical equation H2S(g)+2O2(g)→H2O(g)+SO3(g) Express the entropy change to four significant figures and include the appropriate units.

Standard enthalpies for selected substances at 25∘C

Substance S∘(J/(mol⋅K))
O2(g) 205.2
SO2(g) 248.2
SO3(g) 256.8
H2O(g) 188.8
H2S(g) 205.8
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Co) 188-8 t256-8 0s 8-x20s-2) 205 8 AS

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