Multiple Choice
At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: NO2 (g) → NO (g) + ![At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: NO<sub>2 </sub>(g) → NO (g) + O<sub>2 </sub>(g) The reaction is second order in NO<sub>2</sub> with a rate constant of 0.543 M<sup>-1</sup>s<sup>-1</sup><sup> </sup>at 300 °C. If the initial [NO<sub>2</sub>] is 0.260 M, it will take __________ s for the concentration to drop to 0.150 M. A) 3.34 B) 0.0880 C) 1.01 D) 0.299 E) 5.19](https://d2lvgg3v3hfg70.cloudfront.net/TB1822/11ea7ce9_fb21_77b3_b46a_992b0e4872e8_TB1822_11.jpg)
O2 (g)
The reaction is second order in NO2 with a rate constant of 0.543 M-1s-1 at 300 °C. If the initial [NO2] is 0.260 M, it will take __________ s for the concentration to drop to 0.150 M.
A) 3.34
B) 0.0880
C) 1.01
D) 0.299
E) 5.19
Correct Answer:
Verified
Correct Answer:
Verified
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