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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Calculate the energy of a photon of electromagnetic radiation whose frequency is 2.90×1014 s−1
Calculate the energy of a photon of radiation whose wavelength is 413 nm
What wavelength of radiation has photons of energy 6.03×10−19 J
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- The work function (φ) for a metal is the amount of energy needed to eject an electron from the surface of the metal via the photoelectric effect. For nickel φ = 8.25 x 10-19J. Will a photon with a wavelength (λ) of 250.0 nm have enough energy to eject an electron from nickel? If the speed of an electron in the n = 4 energy level of a hydrogen electron is 2.3 x 106 m/s, what is the de Broglie wavelength of this electron in nanometers (the mass of an electron is 9.10938 x 10-31 kg). Note: 1 ? = 1 ?? ∙?2 An F-15 Strike Eagle weighs in at roughly 32,000 kg fully loaded. If an F-15 Eagle is traveling at 3,017 kilometers per hour, what is the de Broglie wavelength associated with the aircraft at this speed in nanometers?arrow_forwardDetermine the energy of a photon with a wavelength of 361 nm. (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)arrow_forwardIf a laser emits 5.4 x 1019 photons per second and transfers a total of 87.06 J of energy over 1.93 seconds, what is the wavelength of the emitted light in nm?arrow_forward
- If a laser emits 5.0 x 1019 photons per second and transfers a total of 80.58 J of energy over 2.06 seconds, what is the wavelength of the emitted light in nm?arrow_forwardDetermine the energy of a photon with a wavelength of 317 nm. (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)arrow_forwardA photon of light is emitted during a transition in a hydrogen atom. The energy of the photon is found to be 2.04 x 10^-18 joules. Calculate the wavelength of this photonarrow_forward
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