A hydrogen lamp emits blue-green light with a wavelength of 486.1 nm. This corresponds to the transition from n = 4 to n = 2. Over a period of time, a total energy of 3.3 J is emitted from the lamp. Assuming each hydrogen atom was excited only once, how many hydrogen atoms were needed to emit that energy of light? 7.4 x 1015 photons 6.0 x 1023 photons 8.1 x 1018 photons 4.1 x 1019 photons 3.5 x 1020 photons
A hydrogen lamp emits blue-green light with a wavelength of 486.1 nm. This corresponds to the transition from n = 4 to n = 2. Over a period of time, a total energy of 3.3 J is emitted from the lamp. Assuming each hydrogen atom was excited only once, how many hydrogen atoms were needed to emit that energy of light? 7.4 x 1015 photons 6.0 x 1023 photons 8.1 x 1018 photons 4.1 x 1019 photons 3.5 x 1020 photons
Chemistry for Engineering Students
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ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter6: The Periodic Table And Atomic Structure
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Problem 6.93PAE: 6.93 A mercury atom is initially in its lowest possible (or ground state) energy level. The atom...
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A hydrogen lamp emits blue-green light with a wavelength of 486.1 nm. This corresponds to the transition from n = 4 to n = 2. Over a period of time, a total energy of 3.3 J is emitted from the lamp. Assuming each hydrogen atom was excited only once, how many hydrogen atoms were needed to emit that energy of light?
7.4 x 1015 photons
6.0 x 1023 photons
8.1 x 1018 photons
4.1 x 1019 photons
3.5 x 1020 photons
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