Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
**Consider the Reaction** \[ \text{A(aq)} \rightleftharpoons 2\text{B(aq)} \] \[ K_c = 4.46 \times 10^{-6} \text{ at 500 K} \] **Problem Statement:** If a 4.70 M sample of A is heated to 500 K, what is the concentration of B at equilibrium? **Solution:** \[ [B] = \_\_\_\_\_\_\_ \text{ M} \] **Explanation:** The problem involves calculating the concentration of B in a chemical equilibrium using the given equilibrium constant \( K_c \) and the initial concentration of A. The equilibrium constant \( K_c \) provides the ratio of the concentrations of products to reactants at equilibrium at a given temperature (500 K in this case). The process involves setting up an equilibrium table (ICE table), calculating changes in concentration using stoichiometry, and applying the equilibrium expression. This is a typical example of a chemical equilibrium problem often encountered in chemistry courses.
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Transcribed Image Text:**Consider the Reaction** \[ \text{A(aq)} \rightleftharpoons 2\text{B(aq)} \] \[ K_c = 4.46 \times 10^{-6} \text{ at 500 K} \] **Problem Statement:** If a 4.70 M sample of A is heated to 500 K, what is the concentration of B at equilibrium? **Solution:** \[ [B] = \_\_\_\_\_\_\_ \text{ M} \] **Explanation:** The problem involves calculating the concentration of B in a chemical equilibrium using the given equilibrium constant \( K_c \) and the initial concentration of A. The equilibrium constant \( K_c \) provides the ratio of the concentrations of products to reactants at equilibrium at a given temperature (500 K in this case). The process involves setting up an equilibrium table (ICE table), calculating changes in concentration using stoichiometry, and applying the equilibrium expression. This is a typical example of a chemical equilibrium problem often encountered in chemistry courses.
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