determine ΔSuniv. given ΔH∘rxn=− 83 kJ , ΔSrxn=− 140 J/K , T= 291 K

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know AS univ 17 -140 3k Sys AS AHkn S UAr 17 A 83K3 291 93x1000 T 241 3000 Jlk 241 -285-22 K uni 140 215 22) k -425. 22

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