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# There are fears that the protective ozone layer around the earth is being depleted. Ozone, O3, is produced by the interaction of ordinary oxygen gas in the atmosphere with ultraviolet light and lightning discharges. The oxides of nitrogen (which are common in automobile exhaust gases), in particular, are known to decompose ozone. For example, gaseous nitric oxide (NO) reacts with ozone gas to produce nitrogen dioxide gas and oxygen gas. Write the unbalanced chemical equation for this process.

## $\mathrm{NO}(g)+\mathrm{O}_{3}(g) \longrightarrow \mathrm{NO}_{2}(g)+\mathrm{O}_{2}(g)$

#### Topics

Chemical reactions and Stoichiometry

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### Video Transcript

So for this problem, we want to ride out the chemical equation for the reaction between nitric oxide and ozone to form nitrogen dioxide and oxygen guests. So let's begin by writing out or reactions and products. So a nitric oxide, they say, is already an oaks a little right. And over here, ozone, they Seeiso three or 03 Your reaction arrow and nitrogen dioxide over your Latin roots so dies leading for two, and there's no room for nitrogen. So we assume that it's motto. It's only one nice gin to oxygen's and oxygen gas when oxygen and it's caches form. It's a diatonic molecule, so there are two oxygen's now will specify are states of matter. So nitrous oxide is naturally a gas. So all right, the notation for gas ozone is also a guess. Nitrogen dioxide is also a guess, and they state that oxygen is a gas. So, writer gee, they're all guess now. There are only looking for the unbalanced chemical equation, so we don't have to worry about whether the number of elements of the left equal the number of elements on the right so we can leave it as is. There we go. That is our answer

University of Florida

#### Topics

Chemical reactions and Stoichiometry

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