Calculate ΔS∘rxn for the reaction 2NO(g)+O2(g)→2NO2(g) Substance S∘ (J/mol⋅K) NO2 240.0 O2 205.2...

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Calculate ΔS∘rxn for the reaction 2NO(g)+O2(g)→2NO2(g)

Answer 1

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Answer #1

?S?rxn = ?S?products - ?S? reactants

= (2 x 240) - (2 x 210.8 + 205.2)

= - 146.8 J/K mol

?S?rxn = - 146.8 J/K mol

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Answer 2

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