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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#4 part D
![**Equilibrium Experiments: Understanding Shifts**
**3. Consider the equilibrium that you studied in this experiment:**
\[ \text{Fe}^{3+} (\text{aq}) + \text{SCN}^- (\text{aq}) \rightleftharpoons \text{FeSCN}^{2+} (\text{aq}) \]
| **Test Tube** | **Direction of shift (copy from previous page)** | **Type of stress (ex: reactant added, product removed, temp inc)** | **Explain how the direction of shift relieves the applied stress** |
|---------------|------------------------------------------------------|---------------------------------------------------------------------|---------------------------------------------------------------------|
| 2 | | | |
| 3 | | | |
| 4 | | | |
| 5 | | | |
| 6 | | | |
**4. Consider the equilibrium below and predict the direction that the equilibrium will shift for each of the following changes:**
\[ \text{C (s) + H}_2\text{O (g)} + \text{heat} \rightleftharpoons \text{CO (g) + H}_2\text{(g)} \]
a) Cooling
b) Removing CO (g)
c) Adding H₂ (g)
d) Adding H₂O (g)
---
For section 3, the table is set up for analyzing shifts in chemical equilibrium. It prompts students to observe how the direction of the shift in equilibrium (caused by various types of stresses) helps to relieve that stress, in the reaction of iron(III) ions with thiocyanate ions to form iron(III) thiocyanate.
For section 4, students need to determine how different changes (cooling, removing CO, adding H₂, or adding H₂O) affect the equilibrium position in the endothermic reaction involving carbon, water, carbon monoxide, and hydrogen gas.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe722b220-0f94-4c6e-a56c-849397dfd4c4%2F592ae629-5687-4a80-bdbd-bfb0584a4528%2F7ms0onc.jpeg&w=3840&q=75)
Transcribed Image Text:**Equilibrium Experiments: Understanding Shifts**
**3. Consider the equilibrium that you studied in this experiment:**
\[ \text{Fe}^{3+} (\text{aq}) + \text{SCN}^- (\text{aq}) \rightleftharpoons \text{FeSCN}^{2+} (\text{aq}) \]
| **Test Tube** | **Direction of shift (copy from previous page)** | **Type of stress (ex: reactant added, product removed, temp inc)** | **Explain how the direction of shift relieves the applied stress** |
|---------------|------------------------------------------------------|---------------------------------------------------------------------|---------------------------------------------------------------------|
| 2 | | | |
| 3 | | | |
| 4 | | | |
| 5 | | | |
| 6 | | | |
**4. Consider the equilibrium below and predict the direction that the equilibrium will shift for each of the following changes:**
\[ \text{C (s) + H}_2\text{O (g)} + \text{heat} \rightleftharpoons \text{CO (g) + H}_2\text{(g)} \]
a) Cooling
b) Removing CO (g)
c) Adding H₂ (g)
d) Adding H₂O (g)
---
For section 3, the table is set up for analyzing shifts in chemical equilibrium. It prompts students to observe how the direction of the shift in equilibrium (caused by various types of stresses) helps to relieve that stress, in the reaction of iron(III) ions with thiocyanate ions to form iron(III) thiocyanate.
For section 4, students need to determine how different changes (cooling, removing CO, adding H₂, or adding H₂O) affect the equilibrium position in the endothermic reaction involving carbon, water, carbon monoxide, and hydrogen gas.
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