energy of red line:wavelength of light blue line:frequency of light blue line:energy of light blue line:wavelength of deep blue line:frequency of deep blue line:energy of deep blue line:wavelength of violet line:frequency of violet line:JmHzJmHzJmHz When atoms absorb energy, they often release that energy as visible light. In this lab, you will explore two differentapproaches to measuring this light: a simple test called a flame test and a more detailed measurement of the specificwavelengths of light that different elements produce.For hydrogen, you observe four spectral lines, red, light blue, deep blue, and violet. Using the following equations, calculate thefrequency and energy for each wave.LineRedLight BlueDeep BlueVioletwavelength of red line:frequency of red line:v = c/2v = frequency (s-¹)c = speed of light = 3.0 × 108 m/sλ = wavelength (m)nmWavelength656 nm486 nm434 nm410 nmmE = hvE = energy of a photon of light (J)h = Planck's constant = 6.63 × 10-34 J.sv = frequency (s-¹)Frequency (Hz)Energy (J)mHz

energy of red line: wavelength of light blue line: frequency of light blue line: energy of light blue line: wavelength of deep blue line: frequency of deep blue line: energy of deep blue line: wavelength of violet line: frequency of violet line: J m Hz J m Hz J m Hz

energy of red line: wavelength of light blue line: frequency of light blue line: energy of light blue line: wavelength of deep blue line: frequency of deep blue line: energy of deep blue line: wavelength of violet line: frequency of violet line: J m Hz J m Hz J m Hz

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter4: Introduction To Quantum Mechanics

Section: Chapter Questions

Problem 50AP

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Concept explainers

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

Question

energy of red line:
wavelength of light blue line:
frequency of light blue line:
energy of light blue line:
wavelength of deep blue line:
frequency of deep blue line:
energy of deep blue line:
wavelength of violet line:
frequency of violet line:
J
m
Hz
J
m
Hz
J
m
Hz

When atoms absorb energy, they often release that energy as visible light. In this lab, you will explore two different
approaches to measuring this light: a simple test called a flame test and a more detailed measurement of the specific
wavelengths of light that different elements produce.
For hydrogen, you observe four spectral lines, red, light blue, deep blue, and violet. Using the following equations, calculate the
frequency and energy for each wave.
Line
Red
Light Blue
Deep Blue
Violet
wavelength of red line:
frequency of red line:
v = c/2
v = frequency (s-¹)
c = speed of light = 3.0 × 108 m/s
λ = wavelength (m)
nm
Wavelength
656 nm
486 nm
434 nm
410 nm
m
E = hv
E = energy of a photon of light (J)
h = Planck's constant = 6.63 × 10-34 J.s
v = frequency (s-¹)
Frequency (Hz)
Energy (J)
m
Hz

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