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AP Chemistry
7.10 Reaction Quotient and Le Châtelier’s Principle
7.9 Introduction to Le Châtelier’s Principle
7.3 Reaction Quotient and Equilibrium Constant
IntermediateMCQGraphicalProportional AnalysisConceptual20.3k
Concentrations before and after a sudden volume decrease
Concentrations before and after a sudden volume decrease
A sealed cylinder contains an equilibrium mixture represented by the equation

\(2\text{NO}_2\text{(g)} \rightleftharpoons \text{N}_2\text{O}_4\text{(g)}\)

At time \(t_1\), the volume of the cylinder is rapidly decreased to one-half its original value while the temperature remains constant. The concentrations are recorded in the graph.

Which statement best explains the concentration changes shown after \(t_1\)?

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