Consider the reaction: $$\mathrm{A\ (g) \rightleftharpoons B\ (g)}. $$The two images above represent two different scenarios in a closed container. Each blue circle represents a molecule. If the first image shows the system at the start and the second image shows the system after some time, what can you infer about the direction of the reaction?

Question

Accepted Answer

No change has occurred; the number of A and B molecules is the same in both images.

Chemical Equilibrium II: Calculating and Applying Equilibrium Constants

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