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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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nm"
Transcribed Image Text:A beam of radiation has an energy of 2.91×102 kJ/mol. What is the wavelength of this light?
nm
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- 2. A laser pointer used in the classroom emits light at 6550 A, at a power of 4.00 mW. (One watt is the SI unit of power, the measure of energy per unit of time. 1 W = 1 J/s). How many photons are emitted from the pointer in 115 seconds?arrow_forwardWhat is the frequency of radiation that has a wavelength of 589 nm?arrow_forwardA photon of radiation has a frequency of 4.64 x 108 Hz. Calculate its wavelength (in nm) and energy in Jarrow_forward
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