Problem 1. Redox reactions save lives! Airbags in automobiles are inflated with nitrogen gas produced by two redox reactions. The gas generator in some bags contains sodium azide (NaN3) and iron (III) oxide (Fe2O3). The mixture is automatically ignited during a head-on collision. When this happens, the sodium azide decomposes in a redox reaction to form sodium and nitrogen. The sodium produced by this reaction then reacts with the iron (III) oxide as represented in the unbalanced equation: Na(s) + Fe2O3(s) → Na2O(s) + Fe(s) Write the balanced oxidation and reduction half-reactions for the above redox reaction.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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1. Redox reactions save lives! Airbags in automobiles are inflated with nitrogen gas
produced by two redox reactions. The gas generator in some bags contains
sodium azide (NaN3) and iron (III) oxide (Fe2O3). The mixture is automatically
ignited during a head-on collision. When this happens, the sodium azide
decomposes in a redox reaction to form sodium and nitrogen. The sodium
produced by this reaction then reacts with the iron (III) oxide as represented in
the unbalanced equation:
Na(s) + Fe2O3(s) → Na2O(S)
+ Fe(s)
Write the balanced oxidation and reduction half-reactions for the above redox
reaction.
Transcribed Image Text:Problem 1. Redox reactions save lives! Airbags in automobiles are inflated with nitrogen gas produced by two redox reactions. The gas generator in some bags contains sodium azide (NaN3) and iron (III) oxide (Fe2O3). The mixture is automatically ignited during a head-on collision. When this happens, the sodium azide decomposes in a redox reaction to form sodium and nitrogen. The sodium produced by this reaction then reacts with the iron (III) oxide as represented in the unbalanced equation: Na(s) + Fe2O3(s) → Na2O(S) + Fe(s) Write the balanced oxidation and reduction half-reactions for the above redox reaction.
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