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1/2 | 100% + 1. Several transitions of electrons in a hydrogen atom are described below. 1. Which ones will result in emission of a photon and which one will involve absorption? Draw a schematic energy diagram for the Bohr Model showing these transitions. A. n=1 → n=3 B. n-6 n=2 C. n=2 n=5 D. n=4 → n=1 E. n=8 →n=3 II. Which transition results in emission of the highest energy photon? III. What is the wavelength of the photon emitted in this transition? IV. In what region of the electromagnetic spectrum do you find this photon?

1/2 | 100% + 1. Several transitions of electrons in a hydrogen atom are described below. 1. Which ones will result in emission of a photon and which one will involve absorption? Draw a schematic energy diagram for the Bohr Model showing these transitions. A. n=1 → n=3 B. n-6 n=2 C. n=2 n=5 D. n=4 → n=1 E. n=8 →n=3 II. Which transition results in emission of the highest energy photon? III. What is the wavelength of the photon emitted in this transition? IV. In what region of the electromagnetic spectrum do you find this 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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P Fering-120/RW3.pdf 0 ® 1/2 ® @ 7 100% + Sy n = 3 n=2 ****** 0 1. Several transitions of electrons in a hydrogen atom are described below. 1. Which ones will result in emission of a photon and which one will involve absorption? Draw a schematic energy diagram for the Bohr Model showing these transitions. A. n= 1 B. n-6 C. n=2 n = 5 D. n=4 → n = 1 E. n=8 →→n=3 II. Which transition results in emission of the highest energy photon? III. What is the wavelength of the photon emitted in this transition? IV. In what region of the electromagnetic spectrum do you find this photon? 2. Refer to Figure F01-7-5 in the e-book. Select the yellow peak that represents the black body radiation of the sun. Use the more detailed inset that depicts the radiative flux of sunlight as a function of wavelength to answer these questions. A. What differences are there in the spectra of sunlight at the top of the atmosphere and the radiation at sea level? What do these differences indicate about the interaction of photons from the sun and the atmosphere? G2GHT2 B. Based on your answer to part A and the wavelengths of light involved, what kinds of molecular changes happen in the atmosphere as a result of interaction with photons from the sun? 3. Though there is some debate surrounding this issue, estimations of the amount of energy required to destroy the planet of Alderaan as depicted in Star Wars: A New Hope falls in the range of 2.1 x 1032 Joules to 1 x 1038 J. The laser used on the Death Star is green light. Assuming the wavelength emitted by the laser is 495 nm and the minimum amount of energy (2.1 x 1032 J) is needed to destroy the planet, how many photons are required to destroy Alderaan using the Death Star? How many moles of photons is this? 470 nm 4. The absorbance spectrum of a particular dye is shown at the right. A. Which wavelengths of visible light are absorbed, which are transmitted, which are emitted? 5. When a photon with energy sufficient to overcome electron-binding energy strikes metal surface, an electron can be ejected from the metal and any excess energy is converted into the kinetic energy of the ejected electron. Both blue and green light eject electrons from the surface of potassium. In which case do the ejected electrons have the higher kinetic energy? Copyright 2011-2019 Chemistry Department PSU 400 600 500 wavelength (nm) û
Transcribed Image Text:P Fering-120/RW3.pdf 0 ® 1/2 ® @ 7 100% + Sy n = 3 n=2 ****** 0 1. Several transitions of electrons in a hydrogen atom are described below. 1. Which ones will result in emission of a photon and which one will involve absorption? Draw a schematic energy diagram for the Bohr Model showing these transitions. A. n= 1 B. n-6 C. n=2 n = 5 D. n=4 → n = 1 E. n=8 →→n=3 II. Which transition results in emission of the highest energy photon? III. What is the wavelength of the photon emitted in this transition? IV. In what region of the electromagnetic spectrum do you find this photon? 2. Refer to Figure F01-7-5 in the e-book. Select the yellow peak that represents the black body radiation of the sun. Use the more detailed inset that depicts the radiative flux of sunlight as a function of wavelength to answer these questions. A. What differences are there in the spectra of sunlight at the top of the atmosphere and the radiation at sea level? What do these differences indicate about the interaction of photons from the sun and the atmosphere? G2GHT2 B. Based on your answer to part A and the wavelengths of light involved, what kinds of molecular changes happen in the atmosphere as a result of interaction with photons from the sun? 3. Though there is some debate surrounding this issue, estimations of the amount of energy required to destroy the planet of Alderaan as depicted in Star Wars: A New Hope falls in the range of 2.1 x 1032 Joules to 1 x 1038 J. The laser used on the Death Star is green light. Assuming the wavelength emitted by the laser is 495 nm and the minimum amount of energy (2.1 x 1032 J) is needed to destroy the planet, how many photons are required to destroy Alderaan using the Death Star? How many moles of photons is this? 470 nm 4. The absorbance spectrum of a particular dye is shown at the right. A. Which wavelengths of visible light are absorbed, which are transmitted, which are emitted? 5. When a photon with energy sufficient to overcome electron-binding energy strikes metal surface, an electron can be ejected from the metal and any excess energy is converted into the kinetic energy of the ejected electron. Both blue and green light eject electrons from the surface of potassium. In which case do the ejected electrons have the higher kinetic energy? Copyright 2011-2019 Chemistry Department PSU 400 600 500 wavelength (nm) û
. JO D/RW3.pdf 2/2 | PHET INTERACTIVE SLATIONS 3 - 100% + CO N₂ 0₂ CO₂ H₂O NO₂ 03 Effect 6. These questions help you to explore how light interacts with matter using an interactive simulation. You will need a laptop or tablet, to access the simulation using the link below: http://phet.colorado.edu/en/simulation/molecules-and-light Molecules interact differently with the various types of electromagnetic radiation. As we proceed through the simulation, describe the effects of each type of photon on each molecule. Then, summarize the effects of each type of electromagnetic radiation on the molecules. Visible Light Microwave Sy A) Absorption of a photon? 7. The simulation demonstrates how light interacts with matter on a molecular level. On a macroscopic level, we recognize the light can be absorbed, emitted, transmitted or reflected. Which molecular level process above is an example of: (Give the molecule and type of EM radiation involved.) B) Transmission of a photon? C) Emission of a photon? G Search or type URL Infrared Ultraviolet G&GHT
Transcribed Image Text:. JO D/RW3.pdf 2/2 | PHET INTERACTIVE SLATIONS 3 - 100% + CO N₂ 0₂ CO₂ H₂O NO₂ 03 Effect 6. These questions help you to explore how light interacts with matter using an interactive simulation. You will need a laptop or tablet, to access the simulation using the link below: http://phet.colorado.edu/en/simulation/molecules-and-light Molecules interact differently with the various types of electromagnetic radiation. As we proceed through the simulation, describe the effects of each type of photon on each molecule. Then, summarize the effects of each type of electromagnetic radiation on the molecules. Visible Light Microwave Sy A) Absorption of a photon? 7. The simulation demonstrates how light interacts with matter on a molecular level. On a macroscopic level, we recognize the light can be absorbed, emitted, transmitted or reflected. Which molecular level process above is an example of: (Give the molecule and type of EM radiation involved.) B) Transmission of a photon? C) Emission of a photon? G Search or type URL Infrared Ultraviolet G&GHT
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