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
![**Question 22 of 26**
**Determine the energy of a photon with a wavelength of 404 nm.**
This question is asking for the calculation of the energy of a photon given its wavelength.
To solve this:
1. **Use the formula:**
\[ E = \frac{hc}{\lambda} \]
where:
- \( E \) is the energy of the photon,
- \( h \) is Planck's constant (\( 6.626 \times 10^{-34} \, \text{J·s} \)),
- \( c \) is the speed of light (\( 3.00 \times 10^8 \, \text{m/s} \)),
- \( \lambda \) is the wavelength in meters (convert 404 nm to meters: \( 404 \times 10^{-9} \, \text{m} \)).
2. **Calculate \( E \):**
\[ E = \frac{(6.626 \times 10^{-34} \, \text{J·s})(3.00 \times 10^8 \, \text{m/s})}{404 \times 10^{-9} \, \text{m}} \]
3. **Input the calculated value:**
Enter the energy in joules (J) in the provided input field.
**Interface Description:**
- The user interface includes a keypad for number input with options for digits, decimal points, and scientific notation (x10).
- There is a clear (C) button and a backspace (delete) function.
- A textbox is available to enter the result in joules (J).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ebf2b47-0653-48b1-aa4f-9532848d4742%2F5cd31435-002f-4f61-9f8f-d09ad3e535a7%2Facnegy6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 22 of 26**
**Determine the energy of a photon with a wavelength of 404 nm.**
This question is asking for the calculation of the energy of a photon given its wavelength.
To solve this:
1. **Use the formula:**
\[ E = \frac{hc}{\lambda} \]
where:
- \( E \) is the energy of the photon,
- \( h \) is Planck's constant (\( 6.626 \times 10^{-34} \, \text{J·s} \)),
- \( c \) is the speed of light (\( 3.00 \times 10^8 \, \text{m/s} \)),
- \( \lambda \) is the wavelength in meters (convert 404 nm to meters: \( 404 \times 10^{-9} \, \text{m} \)).
2. **Calculate \( E \):**
\[ E = \frac{(6.626 \times 10^{-34} \, \text{J·s})(3.00 \times 10^8 \, \text{m/s})}{404 \times 10^{-9} \, \text{m}} \]
3. **Input the calculated value:**
Enter the energy in joules (J) in the provided input field.
**Interface Description:**
- The user interface includes a keypad for number input with options for digits, decimal points, and scientific notation (x10).
- There is a clear (C) button and a backspace (delete) function.
- A textbox is available to enter the result in joules (J).
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