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29 Dec 2021

Given information

The energy released per fission reaction is
 
                                                       
The mass of is required to produce the same amount of energy as burning  of coal 
 
                                                     
 

Step-by-step explanation

Step 1.
 Let us consider that  
 
We have to determine the mass of uranium , that is required to produce the same amount of energy as burning one kilogram of coal.
 
We'll suppose that the energy released per fission (reaction) is equal to
 
                                                     
 
To start, we'll define the total number of reactions as follows
 
                                                       
 
The starting mass of uranium is then calculated by multiplying the number of reactions by the atomic mass of the given uranium and the atomic constant, as follows:
              
                                                           

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