### Equilibrium Constant Calculation for a Gas Reaction**Problem Statement:**The equilibrium constant, \( K_c \), for the following reaction is 0.00650 at 298 K:\[ 2 \text{NOBr}(g) \rightleftharpoons 2 \text{NO}(g) + \text{Br}_2(g) \]If an equilibrium mixture of the three gases in a 17.8 L container at 298 K contains 0.378 mol of \(\text{NOBr}(g)\) and 0.461 mol of \(\text{NO}\), calculate the equilibrium concentration of \(\text{Br}_2\) in molarity.**Solution Steps:**1. **Define the Reaction:** \[ 2 \text{NOBr}(g) \rightleftharpoons 2 \text{NO}(g) + \text{Br}_2(g) \]2. **Given Data:** - Volume of container = 17.8 L - Moles of \(\text{NOBr}\) = 0.378 mol - Moles of \(\text{NO}\) = 0.461 mol - \( K_c = 0.00650 \) at 298 K3. **Calculate Concentrations:** \[ [\text{NOBr}] = \frac{0.378 \text{ mol}}{17.8 \text{ L}} = \text{Concentration of NOBr} \] \[ [\text{NO}] = \frac{0.461 \text{ mol}}{17.8 \text{ L}} = \text{Concentration of NO} \]4. **Equilibrium Constant Expression:** \[ K_c = \frac{{[\text{NO}]^2 [\text{Br}_2]}}{{[\text{NOBr}]^2}} \]5. **Solve for \([\text{Br}_2]\):** - Rearrange the equation and solve for the unknown concentration of \(\text{Br}_2\).6. **Submit Answer:** - Enter the calculated equilibrium concentration of \(\text{Br}_2\) in the text box provided.**Note:** More group attempts remaining for recalculating or retrying if needed.

Answered: Image /qna-images/answer/f85def1e-6b8d-4164-a36e-e995c515fe40.jpg

Use the References to access important values if needed for this question. The equilibrium constant, Ke, for the following reaction is 0.00650 at 298 K. 2NOBr(g)2NO(g) + Br₂ (9) If an equilibrium mixture of the three gases in a 17.8 L container at 298 K contains 0.378 mol of NOBr(g) and 0.461 mol of NO, the equilibrium concentration of Br2 Is M. Submit Answer Retry Entire Group 9 more group attempts remaining

Use the References to access important values if needed for this question. The equilibrium constant, Ke, for the following reaction is 0.00650 at 298 K. 2NOBr(g)2NO(g) + Br₂ (9) If an equilibrium mixture of the three gases in a 17.8 L container at 298 K contains 0.378 mol of NOBr(g) and 0.461 mol of NO, the equilibrium concentration of Br2 Is M. Submit Answer Retry Entire Group 9 more group attempts remaining

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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