AP Chemistry
7.8 Representations of Equilibrium
7.3 Reaction Quotient and Equilibrium Constant
The gas-phase reaction between \(\text{A}_2\) and \(\text{B}_2\) to form \(\text{AB}\) is represented by the balanced equation below.
\[ \text{A}_2(g) + \text{B}_2(g) \rightleftharpoons 2\text{AB}(g) \]
A mixture of \(\text{A}_2(g)\), \(\text{B}_2(g)\), and \(\text{AB}(g)\) reaches chemical equilibrium in a rigid \(1.0\text{ L}\) container at a constant temperature where \(K_c = 4.0\). In the diagrams, each open circle represents an atom of \(\text{A}\) and each filled circle represents an atom of \(\text{B}\). Which of the following particulate diagrams represents a system at equilibrium under these conditions?
\[ \text{A}_2(g) + \text{B}_2(g) \rightleftharpoons 2\text{AB}(g) \]
A mixture of \(\text{A}_2(g)\), \(\text{B}_2(g)\), and \(\text{AB}(g)\) reaches chemical equilibrium in a rigid \(1.0\text{ L}\) container at a constant temperature where \(K_c = 4.0\). In the diagrams, each open circle represents an atom of \(\text{A}\) and each filled circle represents an atom of \(\text{B}\). Which of the following particulate diagrams represents a system at equilibrium under these conditions?
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