Calculate Δ S° for the Following Reaction

question 29

Multiple Choice

Calculate Δ S° for the following reaction:
2 NO ₂ ( g ) → N ₂ ( g ) + 2 O ₂ ( g ) .
Δ S° in J\moles K for NO ₂ ( g ) is 240.0, for N ₂ ( g ) is 191.5, and for O ₂ ( g ) is 205.0.

• A)+157 J\K
• B)− 102.8 J\K
• C)+121.5 J\K
• D)− 480 J\K

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