Be sure to answer all parts.Consider the following energy levels of a hypothetical atom:E4 −2.21 × 10−19 J E3 −8.31 × 10−19 J E2 −1.35  × 10−18 J E1 −1.65 ×10−18J(a) What is the wavelength of the photon needed to excite an electron from E1 to E4? (b) What is the energy (in joules) a photon must have in order to excite an electron from E2 to E3?     (c) When an electron drops from the E3 level to the E1 level, the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process.

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
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Chapter8: Thermochemistry
Section: Chapter Questions
Problem 71QAP: Consider burning ethane gas, C2H6 in oxygen (combustion) forming CO2 and water. (a) How much energy...
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Be sure to answer all parts.
Consider the following energy levels of a hypothetical atom:
E4 −2.21 × 10−19 J E3 −8.31 × 10−19 J E2 −1.35  × 10−18 J E1 −1.65 ×10−18J
(a) What is the wavelength of the photon needed to excite an electron from E1 to E4?
 
(b) What is the energy (in joules) a photon must have in order to excite an electron from E2 to E3?
 
 
 
(c) When an electron drops from the E3 level to the E1 level, the atom is said to undergo emission. Calculate the wavelength of the photon emitted in this process.
 
 
 
 
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