Kj photon to nm
[DOC File]Chapter 7
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25. Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 5 state to the n = 3 state. A) 1.28 10–6 nm B) 1.46 10–6 nm C) 1.46 103 nm D) 1.28 103 nm …
[DOCX File]UCSB Campus Learning Assistance Services - Home
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It takes 208.4 kJ of energy to remove 1 mol of electrons from the atoms on the surface of rubidium metal. If rubidium metal is irradiated with 254-nm light, what is the maximum kinetic energy (kJ/mol) the released electrons can have? KEe - = E. photon - E. binding. KEe - = hc λ - E. binding. KEe - = 6.626 x 10 -34 Js 3 x 10 8 m s -1 2.54 x 10 ...
[DOC File]Chemistry I-Honors
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4. How much energy (in kJ) is released when one mole of the same type of electron drops back to the ground state? 3.32 x 10-18 J/photon x (6.022 x 1023 / 1 mol) = 2.00 x 106 J/mol = 2.00 x 103 kJ/mol. 5. How much energy (in Joules) is released when an electron releases a photon …
[DOC File]Chapter 7 Exercises #2 - Berkeley City College
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Answer: Energy of red light = 2.65 x 10–19 J/photon = 159 kJ/mol. Energy of green light = 3.61 x 10–19 J/photon = 217 kJ/mol. Exercises #2: Photoelectric Effect. 1. The work function of an element is the minimum energy needed to remove an electron from the surface of the solid element. The work function for rubidium is 208.4 kJ/mol.
[DOCX File]Chemistry
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1A. What is the wavelength (in nanometers) of a photon having a frequency of 8.7 x 1015 s–1? 1B. Find the frequency of a radio wave having a wavelength of 0.31 km. 2A. How many 860 nm photons are contained in a 2.7 J pulse of monochromatic radiation? 2B.
[DOC File]Chapter 1 - Solutions
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18) What is the wavelength (in nm) of radiation that has an energy of 2.13 x 103 kJ/mol? In what region of the electromagnetic spectrum is this radiation found? E(per photon) = 2.13 x 106 J 1 mol = 3.54 x 10-18 J/photon. mol 6.022 x 1023 photon. E = hc/(, and so ( = hc/E
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