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Nitrogen dioxide decomposes at 300 C via a second-order process to produce nitrogen monoxide and ...

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Nitrogen dioxide decomposes at 300 C via a second-order process to produce nitrogen monoxide and ...

Nitrogen dioxide decomposes at 300 °C via a second-order process to produce nitrogen monoxide and oxygen according to the following chemical equation:

2 NO₂(g) → 2 NO(g) + O₂(g).

A sample of NO₂(g) is initially placed in a 2.50 L reaction vessel at 300 °C. If the half-life and the rate constant at 300 °C are 11 seconds and 0.54 L mol^-1 s^-1, respectively, how many moles of NO₂ were in the original sample?

▸ 0.17 mol

▸ 0.42 mol

▸ 5.9 mol

▸ 15 mol

Textbook

General Chemistry: Principles and Modern Applications

Edition: 11^th

Authors: Petrucci, Herring, Madura, Bissonnette

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