1. The helium ion, He", has energy levels similar to those of hydrogen and are given by the equation: E,= (-8.72 x 10-¹8 /n²) Joules a) Calculate the energy of the four lowest energy levels of the He* ion. E₁-. E₂=. E,. E= Joules Joules Joules Joules b) What is the energy and wavelength associated with the n=2-n-1 transition in He?

1. The helium ion, He", has energy levels similar to those of hydrogen and are given by the equation: E,= (-8.72 x 10-¹8 /n²) Joules a) Calculate the energy of the four lowest energy levels of the He* ion. E₁-. E₂=. E,. E= Joules Joules Joules Joules b) What is the energy and wavelength associated with the n=2-n-1 transition in He?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

c) The strongest lines of the He spectrum occur at the following wavelengths; (1) 127.57
nm, (2) 164.12 nm, and (3) 25.64 nm. Calculate the transitions associated with these lines.
(1) n =
- n1 =
(2) n =
→n=
(3) n =
→n=

1. The helium ion, He, has energy levels similar to those of hydrogen and are given by the
equation:
E = (-8.72 x 10-¹8 /n²) Joules
a) Calculate the energy of the four lowest energy levels of the He* ion.
E₁=
E₂=
E₂=
E=
Joules
Joules
Joules
Joules
b) What is the energy and wavelength associated with the n=2-n=1 transition in He*?
ΔΕ Ξ
kJ/mol; λ =
nm

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