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The Following Reaction Was Carried Out at 250C with the Initial

Question 83

Multiple Choice

The following reaction was carried out at 250C with the initial concentration of NO2 being 0.70 M and no NO(g) or O2(g) initially present. At equilibrium the NO2 concentration was found to be 0.28 M. Calculate Kc for the reaction.
2NO2(g) The following reaction was carried out at 25<sup>0</sup>C with the initial concentration of NO<sub>2</sub> being 0.70 M and no NO(g) or O<sub>2</sub>(g) initially present. At equilibrium the NO<sub>2 </sub>concentration was found to be 0.28 M. Calculate K<sub>c</sub> for the reaction. 2NO<sub>2</sub>(g) 2NO(g) + O<sub>2</sub>(g) A) 0.47 B) 0.94 C) 1.9 D) 0.14 E) 2.1 2NO(g) + O2(g)


A) 0.47
B) 0.94
C) 1.9
D) 0.14
E) 2.1

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