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    Chemical Principles Study Set 1
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    Exam 11: Chemical Equilibria
  5. Question
    Consider the Reaction NO(g)+ O<sub>2</sub>(g)\(\rightarrow\) NO<sub>2</sub>(g) If\(\Delta\) H\(\circ\) = -5652 KJ And NO(g)
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Consider the Reaction NO(g)+ O2(g) →\rightarrow→ NO2(g)
If Δ\DeltaΔ H ∘\circ∘ = -56

Question 15

Question 15

Multiple Choice

Consider the reaction NO(g) +  Consider the reaction NO(g) +   O<sub>2</sub>(g)  \rightarrow  NO<sub>2</sub>(g)  If  \Delta H<sup> \circ </sup> = -56.52 kJ and  \Delta S<sup> \circ </sup> = -72.60 J.K<sup>-1</sup> at 298 K,what is the equilibrium constant for the reaction at 298 K? A) 1.31 * 10<sup>6 </sup> B) 7.63 * 10<sup>-7 </sup> C) 660 D) 1.22 * 10<sup>14 </sup> E) 8.08 * 10<sup>9 </sup> O2(g) →\rightarrow→ NO2(g)
If Δ\DeltaΔ H ∘\circ∘ = -56.52 kJ and Δ\DeltaΔ S ∘\circ∘ = -72.60 J.K-1 at 298 K,what is the equilibrium constant for the reaction at 298 K?


A) 1.31 * 106
B) 7.63 * 10-7
C) 660
D) 1.22 * 1014
E) 8.08 * 109

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