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College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

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Chapter
Section
BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300
Chapter 30, Problem 1P
Textbook Problem
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Natural uranium ore contains about 0.720% of the fissile uranium-235 isotope. Suppose a sample of uranium ore contains 2.50 × 1028 uranium nuclei. Determine the number of uranium-235 nuclei in the sample.

To determine
The number of uranium-235 nuclei in the sample.

Explanation of Solution

Given Info:

The amount of uranium-235 isotope in natural uranium ore is 0.720% .

The number of uranium nuclei is 2.50×1028 .

Formula to calculate the number of uranium 235 nuclei is,

N=Δpn

  • Δp is the amount of uranium-235 isotope in natural uranium ore
  • N is the number of uranium-235 nuclei
  • n is the number of uranium nuclei

Substitute 0.720% for Δp and 2.50×1028 for n to find N

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Chapter 30 Solutions

College Physics
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Ch. 30 - Describe the properties of baryons and mesons and...Ch. 30 - Identify the particle decays in Table 30.2 that...Ch. 30 - Kaons all decay into final states that contain no...Ch. 30 - Why Is a neutron stable inside the nucleus? (In...Ch. 30 - Natural uranium ore contains about 0.720% of the...Ch. 30 - A typical uranium-234 fission event releases 208...Ch. 30 - If the average energy released in a fission event...Ch. 30 - Find the energy released in the fission reaction...Ch. 30 - Find the energy released in the fission reaction...Ch. 30 - According to one estimate, the first atomic bomb...Ch. 30 - Assume ordinary soil contains natural uranium in...Ch. 30 - A typical nuclear fission power plant produces...Ch. 30 - In order to minimize neutron leakage from a...Ch. 30 - According to one estimate, there are 4.4 106...Ch. 30 - An all-electric home uses approximately 2.00 103...Ch. 30 - Seawater contains 3 mg of uranium per cubic meter,...Ch. 30 - Suppose a deuterium-deuterium fusion reactor is...Ch. 30 - The proton-proton cycle responsible for the Suns...Ch. 30 - When a star has exhausted its hydrogen fuel, it...Ch. 30 - Find the energy released in the fusion reaction...Ch. 30 - Find the energy released in the fusion reaction...Ch. 30 - Another series of nuclear reactions that can...Ch. 30 - Assume a deuteron and a triton are at rest when...Ch. 30 - A reaction that has been considered as a source of...Ch. 30 - A photon produces a proton-antiproton pair...Ch. 30 - A photon with an energy of 2.09 GeV creates a...Ch. 30 - A neutral pion at rest decays into two photons...Ch. 30 - (a) Determine the baryon number of the reaction p...Ch. 30 - (a) Determine the muon-lepton number in the...Ch. 30 - For the following two reactions, the first may...Ch. 30 - Each of the following reactions is forbidden....Ch. 30 - Determine which of the reactions below can occur....Ch. 30 - Which of the following processes are allowed by...Ch. 30 - (a) Show that baryon number and charge are...Ch. 30 - Determine whether or not strangeness is conserved...Ch. 30 - The quark composition of the proton is uud,...Ch. 30 - Find the number of electrons, and of each species...Ch. 30 - The quark compositions of the K0 and 0 particles...Ch. 30 - Identify the particles corresponding to the quark...Ch. 30 - What is the electrical charge of the baryons with...Ch. 30 - A 0 particle travelling through matter strikes a...Ch. 30 - Name at least one conservation law that prevents...Ch. 30 - Find the energy released in the fusion reaction...Ch. 30 - Occasionally, high-energy muons collide with...Ch. 30 - Fill in the missing particle. Assume that (a)...Ch. 30 - Two protons approach each other with 70.4 MeV of...Ch. 30 - A 2.0-MeV neutron is emitted in a fission reactor....Ch. 30 - The fusion reaction D12+D12H23e+n01 releases 3.27...Ch. 30 - (a) Show that about 1.0 1010 J would be released...Ch. 30 - The oceans have a volume of 317 million cubic...Ch. 30 - A -meson at rest decays according to + v What...Ch. 30 - The reaction + p K0 + 0 occurs with high...Ch. 30 - The sun radiates energy at the rate of 3.85 1026...Ch. 30 - A K particle at rest decays into a + and a . The...

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