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Read the What if . . . “Problem Molecules” box in this chapter. One such “problem molecule” when it occurs at ground level is ozone, three oxygen atoms bonded together. Ground-level ozone is formed from the action of sunlight on motor vehicle exhaust, and it irritates the eyes and lungs. Ozone occurring in the upper atmosphere (stratospheric ozone), however, is a natural and essential part of Earth’s ecosystem. Stratospheric ozone protects life on Earth from harmful ultraviolet sunlight. How can the same molecule be a problem at ground level but beneficial in the upper atmosphere? Is there anything inherent about the ozone molecule itself that makes it a problem or a benefit?

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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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Chapter
Section
BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 4, Problem 61E
Textbook Problem
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Read the What if . . . “Problem Molecules” box in this chapter. One such “problem molecule” when it occurs at ground level is ozone, three oxygen atoms bonded together. Ground-level ozone is formed from the action of sunlight on motor vehicle exhaust, and it irritates the eyes and lungs. Ozone occurring in the upper atmosphere (stratospheric ozone), however, is a natural and essential part of Earth’s ecosystem. Stratospheric ozone protects life on Earth from harmful ultraviolet sunlight. How can the same molecule be a problem at ground level but beneficial in the upper atmosphere? Is there anything inherent about the ozone molecule itself that makes it a problem or a benefit?

Interpretation Introduction

Interpretation:

The reason for the formation of good and bad ozone molecules is to be explained.

Concept Introduction:

In the stratosphere, small concentrations of ozone occurs naturally which is related to the upper atmosphere of earth. It protects life from the ultraviolet radiation which can cause skin cancer, cataracts, damage crops, and disrupt marine life.

Explanation of Solution

The ozone molecule is composed of three oxygen atoms linked together and is considered an unstable and highly reactive form of oxygen. An oxygen molecule splits into two single oxygen atoms after interacting with the ultraviolet light from the sun, forming ozone in the stratosphere. So, a good ozone molecule is formed by the combination of oxygen atoms with an oxygen molecule...

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Chemistry In Focus
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