Answered: For the alpha decay 238U → 234Th + 4He,…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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For the alpha decay ²³⁸U → ²³⁴Th + ⁴He, the mass values for ²³⁸U, ⁴He and ²³⁴Th are 238.0508u, 4.0026u and 234.0436u respectively. How much energy is released in this reaction? (This energy, also called the decay energy, comes from the fact that ²³⁸U mass is bigger than the combined masses of ⁴He and ²³⁴Th. The lost mass is converted to released energy in the decay process.)

a) 4.285 MeV

b) 0.0046 MeV

c) 6.87*10^-19 J

d) none of these.

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