n + Pu 239Pu 94 2Pu* 240 94 142 54 95 10Zr + Xe + 3n

Q: Atts, you have a pure sample of an unknown substance. At t= 293 s, 36.8% of the substance remains.…

A: Radioactive substance remaining at t=293s, N=36.8100×N0=0.368N0

Q: What is the alpha activity of a 10-kg sample of 235U that is used in a nuclear reactor?

A: Given: Mass of the sample m = 10 kg.

Q: Consider two reactions: (a) Compute the Q values for these reactions. Identify whether each reaction…

A: a)Formula to calculate the Q-value of the reaction (1) is,

Q: Calculate the mass of 235u consumed each day.

A:

Q: The reactor incident in Chernobyl in 1986 was caused by operating errors. The moderator materials…

A: Given that:Half life,T12=30 yearsTime spent, t=36 yearsAlso, Cs55137   is a β emitter

Q: 4 of 6 The activation energy of 231 Th is 8.3MeV. If a nucleus of 230 Th captures a thermal neutron,…

A: Step 1: Step 2: Step 3: Step 4:

Q: A proposed nuclear reactor facility will have an electrical power output of 855 MW with a 35.9%…

A:

Q: 46. Old stars obtain part of their energy by the fusion of three alpha particles to form a 1?C…

A: Given, the fact that three alpha particles fuse to form a carbon nucleus. We know,  m(4He2) =…

Q: Once again, the final products have less mass than the 2 nuclei that fuse together; find the missing…

A: During a fusion reaction, two lighter nuclei fuse together to form a bigger nuclei, releasing energy…