Chemistry: The Molecular Nature of Matter and Change
Chemistry: The Molecular Nature of Matter and Change
9th Edition
ISBN: 9781260477467
Author: Martin Silberberg
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 7.1, Problem 7.1AFP
Interpretation Introduction

Interpretation:

The wavelength (in nm and Ao) of the purple light absorbed by the nitro compounds in diamonds is to be determined.

Concept introduction:

Electromagnetic waves are radiations that are formed by oscillating electric and magnetic fields. The electric and magnetic field components of an electromagnetic wave are perpendicular to each other.

Energy is proportional to the frequency and is expressed by the Plank-Einstein equation as follows:

E=hν

Here,

E is the energy.

h is the Plank’s constant.

ν is the frequency.

The equation that relates the frequency and wavelength of electromagnetic radiation is as follows:

ν=cλ (1)

Here,

c is the speed of light.

λ is the wavelength.

Equation (1) can be rearranged for λ as follows:

λ=cν (2)

The conversion factor to convert frequency from Hz to s1 is,

1 Hz=1 s1

The conversion factor to convert wavelength from nm to m is,

1 nm=1×109 m

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Chapter 7 Solutions

Chemistry: The Molecular Nature of Matter and Change

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