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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Question
Find K and average K
![**Transcription of Beaker C Equilibrium Experiment Data**
**Section 3. From Beaker C**
| | Fe³⁺ | + | SCN⁻ | ⇌ | FeSCN²⁺ |
|----------------------|-----------------------|------------------|---------------------|-----------------|-------------------|
| **Initial** | 0.6 x 10⁻³ | | 1 x 10⁻³ | | 0 |
| **Change** | -9.732 x 10⁻⁵ | + | -9.732 x 10⁻⁵ | | + |
| **Equilibrium** | 0.898 x 10⁻³ | | 9.732 x 10⁻⁵ | | 0 |
**K =**
**Average K = ______**
**Explanation:**
This table outlines the changes in concentration of the reactants and products during a chemical equilibrium experiment involving iron(III) ions (Fe³⁺), thiocyanate ions (SCN⁻), and the resulting complex ion (FeSCN²⁺). The concentrations are given in molarity (M).
- **Initial Row:** Shows the starting concentrations of Fe³⁺ and SCN⁻, with FeSCN²⁺ initially being 0 M.
- **Change Row:** Indicates the change in concentration needed to reach equilibrium. The reactants decrease by 9.732 x 10⁻⁵ M, suggesting formation of FeSCN²⁺.
- **Equilibrium Row:** Displays the concentrations when the system reaches equilibrium.
The blank areas under “K” and “Average K” are likely for calculating the equilibrium constant (K) based on the given data.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8da5c625-81d8-4db3-9f61-2b28dd7af5ea%2Ff9241410-7dd2-4ddf-a242-95849a341da0%2Flnqynig_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Transcription of Beaker C Equilibrium Experiment Data**
**Section 3. From Beaker C**
| | Fe³⁺ | + | SCN⁻ | ⇌ | FeSCN²⁺ |
|----------------------|-----------------------|------------------|---------------------|-----------------|-------------------|
| **Initial** | 0.6 x 10⁻³ | | 1 x 10⁻³ | | 0 |
| **Change** | -9.732 x 10⁻⁵ | + | -9.732 x 10⁻⁵ | | + |
| **Equilibrium** | 0.898 x 10⁻³ | | 9.732 x 10⁻⁵ | | 0 |
**K =**
**Average K = ______**
**Explanation:**
This table outlines the changes in concentration of the reactants and products during a chemical equilibrium experiment involving iron(III) ions (Fe³⁺), thiocyanate ions (SCN⁻), and the resulting complex ion (FeSCN²⁺). The concentrations are given in molarity (M).
- **Initial Row:** Shows the starting concentrations of Fe³⁺ and SCN⁻, with FeSCN²⁺ initially being 0 M.
- **Change Row:** Indicates the change in concentration needed to reach equilibrium. The reactants decrease by 9.732 x 10⁻⁵ M, suggesting formation of FeSCN²⁺.
- **Equilibrium Row:** Displays the concentrations when the system reaches equilibrium.
The blank areas under “K” and “Average K” are likely for calculating the equilibrium constant (K) based on the given data.
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