A) C) PMO P²O₂ PM00₂. Po Po P²0₂ . An equilibrium is established for the reaction 2 CO(g) + MoO₂ (s) = 2 CO₂(g) + Mo(s). Which of the following is the correct expression for Kp? B) D) PM00₂ Po PMO. PO₂ P²0₂ Po .

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**Question 3 of 13:**

An equilibrium is established for the reaction:

\[ 2 \text{CO(g)} + \text{MoO}_2(\text{s}) \rightleftharpoons 2 \text{CO}_2(\text{g)} + \text{Mo(s)} \]

Which of the following is the correct expression for \( K_p \)?

Options:

A) \(\frac{P_{\text{Mo}} \cdot P_{\text{O}_2}^2}{P_{\text{MoO}_2} \cdot P_{\text{CO}}^2}\)

B) \(\frac{P_{\text{MoO}_2} \cdot P_{\text{CO}}^2}{P_{\text{Mo}} \cdot P_{\text{O}_2}^2}\)

C) \(\frac{P_{\text{CO}_2}}{P_{\text{O}_2}}\)

D) \(\frac{P_{\text{O}_2}}{P_{\text{CO}_2}}\)

Answer choices are provided below with the labels:

- A) see image
- B) see image
- C) see image
- D) see image

**Explanation of Answer Choices:**

The options describe possible expressions for the equilibrium constant \( K_p \) in terms of the partial pressures of the substances involved in the reaction. The equilibrium constant expression only includes gases and does not include solids, which are omitted. The correct expression would be based on the partial pressures of CO and CO₂ raised to the power of their coefficients in the balanced equation.
Transcribed Image Text:**Question 3 of 13:** An equilibrium is established for the reaction: \[ 2 \text{CO(g)} + \text{MoO}_2(\text{s}) \rightleftharpoons 2 \text{CO}_2(\text{g)} + \text{Mo(s)} \] Which of the following is the correct expression for \( K_p \)? Options: A) \(\frac{P_{\text{Mo}} \cdot P_{\text{O}_2}^2}{P_{\text{MoO}_2} \cdot P_{\text{CO}}^2}\) B) \(\frac{P_{\text{MoO}_2} \cdot P_{\text{CO}}^2}{P_{\text{Mo}} \cdot P_{\text{O}_2}^2}\) C) \(\frac{P_{\text{CO}_2}}{P_{\text{O}_2}}\) D) \(\frac{P_{\text{O}_2}}{P_{\text{CO}_2}}\) Answer choices are provided below with the labels: - A) see image - B) see image - C) see image - D) see image **Explanation of Answer Choices:** The options describe possible expressions for the equilibrium constant \( K_p \) in terms of the partial pressures of the substances involved in the reaction. The equilibrium constant expression only includes gases and does not include solids, which are omitted. The correct expression would be based on the partial pressures of CO and CO₂ raised to the power of their coefficients in the balanced equation.
Expert Solution
Step 1: Equilibrium constant

The equilibrium constant can be determined in terms of concentration, and pressure. 

In terms of concentration, it is represented as Kc



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