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
A student models ammonia production in a closed, rigid reactor using the equilibrium
\[\text{N}_2\text{(g)}+3\text{H}_2\text{(g)}\rightleftharpoons 2\text{NH}_3\text{(g)} \qquad \Delta H^\circ=-92\text{ kJ/mol}_{\text{rxn}}\]
The system is initially at equilibrium at temperature \(T_1\). The temperature is rapidly increased to \(T_2\), where \(T_2>T_1\), while the volume remains constant. Which statement correctly predicts the net reaction as the system reestablishes equilibrium and correctly compares \(Q_c\) with the new value of \(K_c\)?
\[\text{N}_2\text{(g)}+3\text{H}_2\text{(g)}\rightleftharpoons 2\text{NH}_3\text{(g)} \qquad \Delta H^\circ=-92\text{ kJ/mol}_{\text{rxn}}\]
The system is initially at equilibrium at temperature \(T_1\). The temperature is rapidly increased to \(T_2\), where \(T_2>T_1\), while the volume remains constant. Which statement correctly predicts the net reaction as the system reestablishes equilibrium and correctly compares \(Q_c\) with the new value of \(K_c\)?
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