Using the Standard Entropy Values:
SO₂(g), S° = +248 $\Delta$ S°, for the Reaction:NO₂(g)+ SO₂(g)

Using the standard entropy values:
SO₂(g) , S° = +248.0 J mol^-1 K^-1
SO₃(g) , S° = +256.0 J mol^-1 K^-1
NO(g) , S° = +210.6 J mol^-1 K^-1
NO₂(g) , S° = +240.5 J mol^-1 K^-1
Calculate the standard entropy change, $\Delta$ S°, for the reaction:NO₂(g) + SO₂(g) $\rarr$ NO(g) + SO₃(g)

A) -6.2 J mol^-1 K^-1
B) +21.9 J mol^-1 K^-1
C) -21.9 J mol^-1 K^-1
D) -37.9 J mol^-1 K^-1
E) +52.9 J mol^-1 K^-1