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 21 of 26**
A photon has a frequency of \(8.97 \times 10^8\) Hz. What is the energy of this photon in Joules? (Planck's constant, \(h = 6.626 \times 10^{-34}\) J·s)
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**Explanation:**
To calculate the energy of a photon, we use the formula:
\[ E = h \times f \]
where \(E\) is the energy, \(h\) is Planck's constant (\(6.626 \times 10^{-34}\) J·s), and \(f\) is the frequency of the photon.
For this problem:
\[ E = 6.626 \times 10^{-34} \, \text{J·s} \times 8.97 \times 10^8 \, \text{Hz} \]
\[ E = 5.94 \times 10^{-25} \, \text{J} \]
---
**Interactive Features:**
- A numeric keypad is provided for user input.
- Options for entering positive or negative exponents.
- A clear button (C) for resetting inputs.
- A multiplication by 10 option for quick calculations.
**Additional Resources:** Tap the bottom bar for more information on photon energy and Planck's constant.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2ebf2b47-0653-48b1-aa4f-9532848d4742%2F725c1446-4f25-4e74-9aee-0593fddbceb5%2Fshjlby9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 21 of 26**
A photon has a frequency of \(8.97 \times 10^8\) Hz. What is the energy of this photon in Joules? (Planck's constant, \(h = 6.626 \times 10^{-34}\) J·s)
---
**Explanation:**
To calculate the energy of a photon, we use the formula:
\[ E = h \times f \]
where \(E\) is the energy, \(h\) is Planck's constant (\(6.626 \times 10^{-34}\) J·s), and \(f\) is the frequency of the photon.
For this problem:
\[ E = 6.626 \times 10^{-34} \, \text{J·s} \times 8.97 \times 10^8 \, \text{Hz} \]
\[ E = 5.94 \times 10^{-25} \, \text{J} \]
---
**Interactive Features:**
- A numeric keypad is provided for user input.
- Options for entering positive or negative exponents.
- A clear button (C) for resetting inputs.
- A multiplication by 10 option for quick calculations.
**Additional Resources:** Tap the bottom bar for more information on photon energy and Planck's constant.
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