   Chapter 31, Problem 79PE

Chapter
Section
Textbook Problem

(a) Write the decay equation for the α decay of 235U. (b) What energy is released in this decay? The mass of the daughter nuclide is 231.036298 u. (c) Assuming the residual nucleus is formed in its ground state, how much energy goes to the α particle?

To determine

(a)

The decay equation for theαdecay ofU235.

Explanation

Introduction:

When Uranium is having alpha decay then component of helium is released as alpha particle.

H24eis the component for alpha particle

Uranium is having atomic number 92 and atomic mass of 235 and alpha particle helium is having atomic number 2 and atomic mass of 4 . So the resultant mass of daughter element be

2312354

And atomic number

To determine

(b)

The energy is released in this decay. The mass of the daughter nuclide is 231.036298 u..

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