Calculate the Standard Entropy Change for the Following Reaction: 2

Multiple Choice

Calculate the standard entropy change for the following reaction: 2 SO₂(g) + O₂(g) → 2 SO₃(g)
Given: S°[SO₂(g) ] = 248.2 J/K⋅mol,S°[O₂(g) ] = 205.1 J/K⋅mol,and S°[SO₃(g) ] = 256.8 J/K⋅mol.

A) -196.5 J/K·mol-rxn
B) -94.0 J/K·mol-rxn
C) -187.9 J/K·mol-rxn
D) +187.9 J/K·mol-rxn
E) +196.5 J/K·mol-rxn