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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![**Concentration Table**
This table presents the concentrations of three ions (Na\(^+\), K\(^+\), and Cl\(^-\)) inside and outside of a cell. The concentrations are measured in millimoles per liter (mM).
- **Na\(^+\) (Sodium)**
- Inside concentration (\(C_{in}\)): 50.0 mM
- Outside concentration (\(C_{out}\)): 440.0 mM
- **K\(^+\) (Potassium)**
- Inside concentration (\(C_{in}\)): 400.0 mM
- Outside concentration (\(C_{out}\)): 20.0 mM
- **Cl\(^-\) (Chloride)**
- Inside concentration (\(C_{in}\)): 52.0 mM
- Outside concentration (\(C_{out}\)): 560.0 mM
This table helps illustrate the typical ionic gradients found in many biological cells, which are crucial for maintaining cellular function.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23088f2e-51a9-42a3-aab6-4b05a6c2c3a5%2F1410dca2-a5dc-4b0f-ad9f-edc858d9dd96%2Fkplmbxw_processed.png&w=3840&q=75)
Transcribed Image Text:**Concentration Table**
This table presents the concentrations of three ions (Na\(^+\), K\(^+\), and Cl\(^-\)) inside and outside of a cell. The concentrations are measured in millimoles per liter (mM).
- **Na\(^+\) (Sodium)**
- Inside concentration (\(C_{in}\)): 50.0 mM
- Outside concentration (\(C_{out}\)): 440.0 mM
- **K\(^+\) (Potassium)**
- Inside concentration (\(C_{in}\)): 400.0 mM
- Outside concentration (\(C_{out}\)): 20.0 mM
- **Cl\(^-\) (Chloride)**
- Inside concentration (\(C_{in}\)): 52.0 mM
- Outside concentration (\(C_{out}\)): 560.0 mM
This table helps illustrate the typical ionic gradients found in many biological cells, which are crucial for maintaining cellular function.
![## Calculating Equilibrium Potentials
### Equation for \( E_{Na^+} \)
The equilibrium potential for sodium ions (\( E_{Na^+} \)) can be calculated using the formula:
\[ E_{Na^+} = \frac{R \times T}{Z \times F} \ln \left(\frac{C_{out}}{C_{in}}\right) \]
- **R (Universal Gas Constant):** 8.314 Joules K\(^{-1}\) mol\(^{-1}\)
- **F (Faraday Constant):** 9.648 × 10\(^4\) Coulombs mol\(^{-1}\)
### Instructions:
1. Input the values for external and internal concentrations (\( C_{out} \) and \( C_{in} \)).
2. Click "Calculate" to get the result for \( E_{Na^+} \).
### Task:
Calculate the successive equilibrium potentials for \( Na^+ \), \( K^+ \), and \( Cl^-\) at 20°C.
For more detailed guidance, refer to the LabPad.
### Notes:
- **Progress:** 33%
- Ensure you raise the LabPad for further instructions.
#### Important:
Ensure accuracy in entering the values for concentrations to obtain correct equilibrium potential results.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23088f2e-51a9-42a3-aab6-4b05a6c2c3a5%2F1410dca2-a5dc-4b0f-ad9f-edc858d9dd96%2F7nnpwe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Calculating Equilibrium Potentials
### Equation for \( E_{Na^+} \)
The equilibrium potential for sodium ions (\( E_{Na^+} \)) can be calculated using the formula:
\[ E_{Na^+} = \frac{R \times T}{Z \times F} \ln \left(\frac{C_{out}}{C_{in}}\right) \]
- **R (Universal Gas Constant):** 8.314 Joules K\(^{-1}\) mol\(^{-1}\)
- **F (Faraday Constant):** 9.648 × 10\(^4\) Coulombs mol\(^{-1}\)
### Instructions:
1. Input the values for external and internal concentrations (\( C_{out} \) and \( C_{in} \)).
2. Click "Calculate" to get the result for \( E_{Na^+} \).
### Task:
Calculate the successive equilibrium potentials for \( Na^+ \), \( K^+ \), and \( Cl^-\) at 20°C.
For more detailed guidance, refer to the LabPad.
### Notes:
- **Progress:** 33%
- Ensure you raise the LabPad for further instructions.
#### Important:
Ensure accuracy in entering the values for concentrations to obtain correct equilibrium potential results.
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