Calculate the energy (J) of a single photon of 307 nm electromagnetic radiation.

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter11: Modern Atomic Theory
Section: Chapter Questions
Problem 83AP: Consider the bright line spectrum of hydrogen shown in Fig. 11.10 . Which line in the spectrum...
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1.a)Calculate the energy (J) of a single photon of 307 nm electromagnetic radiation. Show your answer in 3 sig figs.

b)How much energy (kJ) would a mole of those photons carry? Show answer in 2 decimal places with units.

Expert Solution
Step 1

Before doing the problem we must know the de broglie relationship between wave and the energy .

According to De Broglie wave equation,

E = hc/λ [where h = plank constant , c = the speed of the light, λ =wavelength of the light  ]

    where the value of h = 6.626x10-34 Js

value of c = 3 x 108 ms-1

 

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