AP Chemistry
7.6 Properties of the Equilibrium Constant
The following reversible reactions and their corresponding equilibrium constants occur during atmospheric gas-phase processes at \(298\text{ K}\):
\[\text{Reaction 1: } \text{SO}_2(g) + \text{NO}_2(g) \rightleftharpoons \text{SO}_3(g) + \text{NO}(g) \quad K_1\]
\[\text{Reaction 2: } 2\,\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{SO}_3(g) \quad K_2\]
An atmospheric chemist investigates the net oxidation of nitric oxide to nitrogen dioxide, represented by the following target reaction:
\[\text{Reaction 3: } 2\,\text{NO}(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{NO}_2(g) \quad K_3\]
Which of the following expressions correctly relates the equilibrium constant \(K_3\) to \(K_1\) and \(K_2\)?
\[\text{Reaction 1: } \text{SO}_2(g) + \text{NO}_2(g) \rightleftharpoons \text{SO}_3(g) + \text{NO}(g) \quad K_1\]
\[\text{Reaction 2: } 2\,\text{SO}_2(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{SO}_3(g) \quad K_2\]
An atmospheric chemist investigates the net oxidation of nitric oxide to nitrogen dioxide, represented by the following target reaction:
\[\text{Reaction 3: } 2\,\text{NO}(g) + \text{O}_2(g) \rightleftharpoons 2\,\text{NO}_2(g) \quad K_3\]
Which of the following expressions correctly relates the equilibrium constant \(K_3\) to \(K_1\) and \(K_2\)?
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