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 6 of 7**
What is the energy of a photon with a frequency of \(7.47 \times 10^{14} \, \text{s}^{-1}\)? \((h = 6.626 \times 10^{-34} \, \text{J} \cdot \text{s})\)
**Calculation Input**
Below the question, there is a numeric keypad with the numbers 0-9, a clear button (C), a delete button (x), a decimal point button (.), a sign toggle button (+/-), and a scientific notation button (x 10□).
Use these tools to input the energy in joules (J).
**Guidance**
Use the formula:
\[ E = h \times f \]
where \( E \) is the energy, \( h \) is Planck's constant, and \( f \) is the frequency.
To find the energy:
1. Multiply Planck's constant \( 6.626 \times 10^{-34} \, \text{J} \cdot \text{s} \) by the frequency \( 7.47 \times 10^{14} \, \text{s}^{-1} \).
2. Enter the calculated result in the space provided.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F675d014f-fd61-4129-8894-e08fca4ddce6%2F4e5d5aa6-cf16-405d-93ab-6cee24113a99%2Fkh26lsp_processed.png&w=3840&q=75)
Transcribed Image Text:**Question 6 of 7**
What is the energy of a photon with a frequency of \(7.47 \times 10^{14} \, \text{s}^{-1}\)? \((h = 6.626 \times 10^{-34} \, \text{J} \cdot \text{s})\)
**Calculation Input**
Below the question, there is a numeric keypad with the numbers 0-9, a clear button (C), a delete button (x), a decimal point button (.), a sign toggle button (+/-), and a scientific notation button (x 10□).
Use these tools to input the energy in joules (J).
**Guidance**
Use the formula:
\[ E = h \times f \]
where \( E \) is the energy, \( h \) is Planck's constant, and \( f \) is the frequency.
To find the energy:
1. Multiply Planck's constant \( 6.626 \times 10^{-34} \, \text{J} \cdot \text{s} \) by the frequency \( 7.47 \times 10^{14} \, \text{s}^{-1} \).
2. Enter the calculated result in the space provided.
Transcribed Image Text:**Question 7 of 7**
Determine the energy of a photon with a wavelength of 371 nm.
Given:
- Planck's constant (h) = 6.626 × 10⁻³⁴ J·s
- Speed of light (c) = 3.00 × 10⁸ m/s
---
**Instructions for Calculation:**
1. Use the formula \( E = \frac{hc}{\lambda} \) to find the energy (E) of the photon, where:
- \( E \) is the energy in joules (J),
- \( h \) is Planck's constant,
- \( c \) is the speed of light, and
- \( \lambda \) is the wavelength in meters (m).
2. Convert the wavelength from nanometers (nm) to meters: \( 371 \, \text{nm} = 371 \times 10^{-9} \, \text{m} \).
**Calculator Layout:**
- A numeric keypad for input.
- A display labeled "J" for entering or displaying the calculated energy value.
- Additional buttons include a backspace key and clear key ("C"), as well as a button for entering exponential values ("x 10").
**Note:**
- Tap or pull up from the bottom to access additional resources for assistance.
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