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The Standard Free Energy of Formation of Nitric Oxide, NO

Question 51

Multiple Choice

The standard free energy of formation of nitric oxide, NO, at 1000. K (roughly the temperature in an automobile engine during ignition) is 78 kJ/mol. Calculate the equilibrium constant for the reaction
N2(g) + O2(g) The standard free energy of formation of nitric oxide, NO, at 1000. K (roughly the temperature in an automobile engine during ignition) is 78 kJ/mol. Calculate the equilibrium constant for the reaction N<sub>2</sub>(g) + O<sub>2</sub>(g) 2NO(g) At 1000. K. A) 4.3 × 10<sup>-10</sup> B) 8.4 × 10<sup>-5</sup> C) 0.99 D) 1.8 × 10<sup>-19</sup> E) 7.1 × 10<sup>-9</sup>2NO(g)
At 1000. K.


A) 4.3 × 10-10
B) 8.4 × 10-5
C) 0.99
D) 1.8 × 10-19
E) 7.1 × 10-9

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