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AP Chemistry
4.5 Stoichiometry
4.3 Representations of Reactions
BeginnerMCQDrawing RepresentationsMathematicalConceptual16k
Initial mixture of \(\text{NO}(g)\) and \(\text{O}_2(g)\) before reaction.
Initial mixture of \(\text{NO}(g)\) and \(\text{O}_2(g)\) before reaction.
Nitrogen monoxide gas, \(\text{NO}(g)\), reacts with oxygen gas, \(\text{O}_2(g)\), to form nitrogen dioxide gas, \(\text{NO}_2(g)\), according to the balanced equation:

\[ 2\text{NO}(g) + \text{O}_2(g) \rightarrow 2\text{NO}_2(g) \]

The particulate diagram shows a mixture of \(\text{NO}(g)\) and \(\text{O}_2(g)\) in a rigid container before any reaction takes place. Assuming the reaction proceeds to completion, which of the following particulate representations best represents the contents of the container after the reaction is complete?

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