Author Question: An excited U nucleus undergoes fission into two fragments as follows:U Ba + KrThe following atomic ... (Read 372 times)

Shelles · **on:** Oct 11, 2019

Question 1

A nuclear explosion results in a mass decrease of

How much energy is released during this explosion? (c = 3.00 × 108 m/s)
◦ 1.89 × 1013 J
◦ 6.30 × 105 J
◦ 2.25 × 1012 J
◦ 1.89 × 1014 J

Question 2

An excited

U∗ nucleus undergoes fission into two fragments as follows:

U∗ →

Ba +

Kr

The following atomic masses are known:

Kr:	91.926270 u

Ba:	143.922845 u

U∗:	236.045563 u

What is the reaction energy released during this fission reaction? (1 u = 931.5 MeV/c2)
◦ 150 MeV
◦ 180 MeV
◦ 160 MeV
◦ 190 MeV
◦ 170 MeV

spencer.martell · **Reply #1 on:** Oct 11, 2019

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