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Nitrogen Dioxide Decomposes to Nitric Oxide and Oxygen Via the Reaction

Question 95

Multiple Choice

Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2
In a particular experiment at 300 °C,[N Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO<sub>2</sub> → 2NO + O<sub>2</sub> In a particular experiment at 300 °C,[N   ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO<sub>2</sub> for this period is ________ M/s. A) 2.79 × 10<sup>-5</sup> B) -8.16 × 10<sup>-5</sup> C) 5.59 × 10<sup>-5</sup> D) 1.40 × 10<sup>-5</sup> E) 35,800 ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO2 for this period is ________ M/s.


A) 2.79 × 10-5
B) -8.16 × 10-5
C) 5.59 × 10-5
D) 1.40 × 10-5
E) 35,800

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