Conceptual Physics: The High School Physics Program
9th Edition
ISBN: 9780133647495
Author: Paul G. Hewitt
Publisher: Prentice Hall
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Textbook Question
Chapter 40, Problem 5A
a. Which isotope of uranium is most common?
b. Which isotope of uranium will fission?
(a)
Expert Solution
To determine
The most common isotope of Uranium.
Answer to Problem 5A
The most common isotope of Uranium is Uranium-238.
Explanation of Solution
Introduction:
The isotope of an element is the form of the element in which the chemical properties are same but the configuration of nucleus is different. The atomic number of isotopes of element remains same but having different mass number.
The isotopes of uranium are Uranium-235 and Uranium-238. The amount of Uranioum-235 in the natural uranium ore is very low. It is only 0.7% of the ore.
The other isotope of the uranium is Uranium-238 and it is most abundant isotope of the uranium.
Conclusion:
Thus, the most common isotope of uranium is Uranium-238.
(b)
Expert Solution
To determine
The isotope of uranium that undergoes the fission.
Answer to Problem 5A
The isotope of uranium that undergoes fission is Uranium-235.
Explanation of Solution
Introduction:
The process of disintegration of the nucleus of heavier atom due to strong electrical force is called the nuclear fission. The amount of energy produced in nuclear fission is very high.
The amount of the Uranium-238 is higher than Uranium-235. The neutrons available for fission of every atom of Uranium-238 atoms are very low due to its high amount. The amount of the Uranium-235 is very less. So, the adequate number of neutrons become available for the fission.
Conclusion:
Thus, the isotope of uranium that undergoes fission is Uranium-235.
Chapter 40 Solutions
Conceptual Physics: The High School Physics Program
Ch. 40 - Prob. 1ACh. 40 - What is the role of a neutron in nuclear fission?Ch. 40 - Prob. 3ACh. 40 - Prob. 4ACh. 40 - a. Which isotope of uranium is most common? b....Ch. 40 - Prob. 6ACh. 40 - Prob. 7ACh. 40 - Why must uranium be enriched so that it contains a...Ch. 40 - Why do heavier molecules in a gas move more slowly...Ch. 40 - Why cant U-235 and U-238 be separated by a...
Ch. 40 - How is gaseous diffusion used to separate atoms of...Ch. 40 - Prob. 12ACh. 40 - Prob. 13ACh. 40 - Why are the fission-fragment elements radioactive?Ch. 40 - What happens when U-238 absorbs a neutron?Ch. 40 - Is plutonium an isotope of uranium or is it a...Ch. 40 - Prob. 17ACh. 40 - Prob. 18ACh. 40 - Prob. 19ACh. 40 - Prob. 20ACh. 40 - Prob. 21ACh. 40 - Prob. 22ACh. 40 - Prob. 23ACh. 40 - Prob. 24ACh. 40 - Prob. 25ACh. 40 - Prob. 26ACh. 40 - Prob. 27ACh. 40 - Rank from greatest to least the reduction in mass...Ch. 40 - Why does a neutron often make a better nuclear...Ch. 40 - Prob. 30ACh. 40 - Prob. 31ACh. 40 - Prob. 32ACh. 40 - Why is lead found in all deposits of uranium ores?Ch. 40 - Why are there no appreciable deposits of plutonium...Ch. 40 - Your tutor says atomic nuclei are converted to...Ch. 40 - Prob. 36ACh. 40 - Prob. 37ACh. 40 - Why does uranium not yield energy if fused with...Ch. 40 - Prob. 39ACh. 40 - Prob. 40ACh. 40 - How does the mass per nucleon in uranium compare...Ch. 40 - Prob. 42ACh. 40 - Prob. 43ACh. 40 - Prob. 44ACh. 40 - Prob. 45ACh. 40 - Prob. 46ACh. 40 - Prob. 47ACh. 40 - Prob. 48ACh. 40 - Prob. 49ACh. 40 - Prob. 50ACh. 40 - Prob. 51ACh. 40 - Prob. 52ACh. 40 - Burning one metric ton (1000 kg) of dry wood...Ch. 40 - The total U.S. consumption of electricity in 2001...Ch. 40 - Make a list comparing the kinds of pollution...Ch. 40 - Summarize and compare the benefits to society and...
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