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AP Chemistry
4.5 Stoichiometry
4.3 Representations of Reactions
IntermediateMCQDrawing RepresentationsMathematicalConceptual25.4k
A particulate diagram showing two identical square boxes labeled Container 1 (Before Reaction) and Container 2 (After Reaction), with a legend on the right. The legend defines: a solid black circle = C atom, an open white circle = O atom. A bonded pair of 1 solid black circle and 1 open white circle = CO molecule. A bonded pair of 2 open white circles = O2 molecule. A linear bonded trio of 1 solid black circle between 2 open white circles = CO2 molecule. Container 1 contains exactly 6 CO molecules and exactly 4 O2 molecules, dispersed evenly. Container 2 contains exactly 6 CO2 molecules and exactly 1 O2 molecule, with 0 CO molecules remaining. No other particles, labels, text, or annotations appear.
Particulate representation of the reaction mixture before and after reaction.
The particulate diagrams above represent the contents of a rigid, closed container before and after a reaction between \(\text{CO(g)}\) and \(\text{O}_2\text{(g)}\) occurs to produce \(\text{CO}_2\text{(g)}\). Based on the diagrams, which of the following statements correctly identifies the limiting reactant and provides the correct justification?

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