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by: Leslie Pike

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# Week 11 Notes CHEM 120

Leslie Pike
WKU
GPA 3.9
College Chemistry I
Dr. Darwin Dahl

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COURSE
College Chemistry I
PROF.
Dr. Darwin Dahl
TYPE
Class Notes
PAGES
0
WORDS
KARMA
25 ?

## 2

1 review
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Rachel Southerland

## Popular in Chemistry

This 0 page Class Notes was uploaded by Leslie Pike on Friday November 6, 2015. The Class Notes belongs to CHEM 120 at Western Kentucky University taught by Dr. Darwin Dahl in Summer 2015. Since its upload, it has received 31 views. For similar materials see College Chemistry I in Chemistry at Western Kentucky University.

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Date Created: 11/06/15
Chem 120 notes Week 11 Chapter 7 Waves The symbol for wavelength is the Greek letter lambda The shorter the wavelength the greater the energy Hertz is a measure of frequency Hertz is in units of 1second If something has a frequency of 100000 hertz that means that 100000 wavelengths pass through a point in one second The speed of a wave is the wavelength multiplied by the frequency The speed of light in a vacuum is 3 108 ms A electromagnetic radiation has this speed For any light wave the wavelength multiplied by the frequency is equal to this constant One Angstrom is equal to 103910 meters The energy of a light wave is equal to Planck s constant multiplied by frequency A spectrum is a plot of intensity versus wavelength

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