: Calculate the energy ( in kilojoules ) released when 1.2 g of U- 235 undergoes fission reaction into Ba – 142 and Kr-92 and
: Calculate the energy ( in kilojoules ) released when 1.2 g of U- 235 undergoes fission reaction into Ba – 142 and Kr-92 and neutron/s.
The masses are: Ba-142 – 141.92 u
Kr- 92 = 91.92 u
Table 20.3 Masses of Some Nuclei and Other Atomic Particies
Symbol
Mass (amu)
Symbol
A
Mass (amu
-1
0,000549
Co
27
59
58.9184
1.00867
Ni
28
58
57.9199
205.9295
206.9309
207.9316
H or p
100728
Ph
82
206
2.01345
3,01550
207
208
2.
82
3.
82
210
218
84
209.9368
3.01493
4.00150
Не
Po
2
84
217.9628
6.01347
7.01435
222
226
221.9703
225.9771
LI
Ru
86
17
Ra
88
Be
6.
9.00999
Th
90
230
229.9837
233.9942
233.9931
90
10.0102
11.0066
234
234
B
10
11
Pa
91
11.9967
13.0001
232.9890
233.9904
12
92
233
13
92
234
8
16
15.9905
92
235
234.9934
24
52
51.9273
92
238
238.0003
Cr
26
55.9206
Pu
94
239
239.0006
Fe
56
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