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Calculate the wavelength (in nanometers) of light with energy 1.32 x 10^-26 kJ per photon

Calculate the wavelength (in nanometers) of light with energy 1.32 x 10^-26 kJ per photon

Chemistry
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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Calculate the wavelength (in nanometers) of light with energy 1.32 x 10^-26 kJ per photon
1. Calculate the velocity (in m/s) of a 2.34-g object that has \(E_k = 46.2 \, \text{J}\). 2. Calculate the wavelength (in nanometers) of light with energy \(1.32 \times 10^{-26} \, \text{kJ per photon}\). 3. What is the value of \(n_2\) for an electron that emits a photon of wavelength 93.14 nm when it returns to the ground state in the H atom? Round to the nearest whole number. 4. What is the minimum speed an electron can travel to have a visible de Broglie wavelength? (Assume the range of visible wavelengths is 400–700 nm, and the mass of an electron is \(9.10 \times 10^{-28} \, \text{g}\).)
Transcribed Image Text:1. Calculate the velocity (in m/s) of a 2.34-g object that has \(E_k = 46.2 \, \text{J}\). 2. Calculate the wavelength (in nanometers) of light with energy \(1.32 \times 10^{-26} \, \text{kJ per photon}\). 3. What is the value of \(n_2\) for an electron that emits a photon of wavelength 93.14 nm when it returns to the ground state in the H atom? Round to the nearest whole number. 4. What is the minimum speed an electron can travel to have a visible de Broglie wavelength? (Assume the range of visible wavelengths is 400–700 nm, and the mass of an electron is \(9.10 \times 10^{-28} \, \text{g}\).)
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