EBK INTRODUCTION TO CHEMISTRY
5th Edition
ISBN: 9781260162165
Author: BAUER
Publisher: MCGRAW HILL BOOK COMPANY
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Question
Chapter 15, Problem 69QP
Interpretation Introduction
Interpretation:
The four different effects of radiation on the living biological cells is to be written.
Concept Introduction:
Radioactive isotopes are used to treat cancer but at the same time they also cause cancer. Radiation from radioactive isotopes causes damage to the living cells and this damage depends on the intensity and length of radiation exposure. Almost all the natural things, such as soil, granite, water, food as well as air contains radioactive nuclides. The intensity of radiation varies from source to source. Also, the inhalation of radon gas causes lung cancer.
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Photochemical smog is formed in part by the action of light on nitrogen dioxide. The wavelength of radiation absorbed by NO2 in this reaction is 197 nm.(a) Draw the Lewis structure of NO2 and sketch its π molecular orbitals.(b) When 1.56 mJ of energy is absorbed by 3.0 L of air at 20 °C and 0.91 atm, all the NO2 molecules in this sample dissociate by the reaction shown. Assume that each absorbed photon leads to the dissociation (into NO and O) of one NO2 molecule. What is the proportion, in parts per million, of NO2 molecules in this sample? Assume that the sample behaves ideally.
Chapter 15 Solutions
EBK INTRODUCTION TO CHEMISTRY
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