Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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How much energy is contained in 1 mol?
Y
-ray photons with a wavelength of 2.58×10−5 nm
n
m
.
Express the energy numerically in kilojoules per mole.
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- What is the energy (in J) of a mole of photons that have a wavelength of 515 nm? (h= 6.626 x 1034 Js and c = 3.00 x 108 m/s)arrow_forwardA hydrogen atom absorbs a photon with a wavelength of 1094 nm and causes an electron to make a transition from an unknown n1 to a final n2 = 6. Part A Calculate frequency of the absorbed photon in units of s-1. Part B Calculate the energy change in the atom (ΔEatom in J) upon absorption of the photon. Part C Calculate the value of n1arrow_forwardRadiation in the ultraviolet region of the electromagnetic spectrum is quite energetic. It is this radiation that causes dyes to fade and your skin to develop a sunburn. If you are bombarded with 1.00 mol of photons with a wavelength of 320. nm, what amount of energy, in kilojoules per mole of photons, are you being subjected to? Energy = kJ/molarrow_forward
- What is the energy (in J) of a mole of photons that have a wavelength of 503 nm? (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)arrow_forwardDetermine the energy, in J, of a photon with a wavelength of 327 nm. (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)arrow_forwardThe equipment used for aviation communications emits high-frequency radiowave energy with a wavelength of 0.550 km. What is the energy of exactly one photon of this radiowave radiation? E = J What is the energy of one mole of this radiowave radiation? E = J/molarrow_forward
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