Chapter 32 Nuclear reactions¶

#Given
r1=6.015126
r2=1.008665
p1=4.002603
p2=3.016049
a=931

#Calculation
R=r1+r2
P=p1+p2
M=R-P
E=M*a

#Result
print"Energy released is",round(E,2),"Mev"

#Given
P=400*10**6                       #J/s
c=3.0*10**8

#Calculation
E=P*24*60*60
m=E/c**2

#Result
print"U235 is",m*10**3,"g"

#Given
A=6.023*10**23
w=235.0
E=200
e=1.6*10**-13

#Calculation
E1=((A*E)/w)*e
E2=E1/(1000.0*3600.0)

#Result
print"Energy released is", round(E2*10**-4,3),"*10**4 KWh"

#Given
E=7.6*10**13                   #J
E1=200.0*1.6*10**-13
h=6.023*10**23
a=235

#Calculation
n=E/E1
M=(a*n)/h

#Result
print"(i) Number of uranium atom is",n
print"(ii) Mass of uranium is",round(M,2),"g"

#Given
m1=235.043933
m2=140.917700
m3=91.895400
n1=1.0086651
a=931.5

#Calculation
Q=(m1-m2-m3-2*(n1))*a

#Result
print"Energy released is",round(Q,2),"Mev"

#Given
M1=1.007825
M2=4.002603
M3=0.000549
A=931.5
S=4
W=2

#Calculation
Q=((S*M1-M2-W*M3)*A)

#Result
print"The energy is",round(Q,2),"MeV"

#Given
M1=1.008                   #a.m.u.
M2=4.004                   #a.m.u.
M3=7.016                   #a.m.u.
A=2
W=931

#Calculation
Q=(M3+M1-A*M2)*W

#Result
print"The initial energy of each alpha-particle is",Q,"MeV"

#Given
M1=235.0439
M2=93.9065
M3=139.9055
M4=1.00866
S=931.5

#Calculation
Q=(M1-M2-M3-M4)*S

#Result
print"Total energy is",round(Q,2),"MeV"
print"All the available energy does not appear as the kinetic energy of fission products"

#Given
M1=2.014102
M2=3.016049
M3=4.002603
M4=1.008665
S=931.5
q1=1.6*10**-19                        #C
q2=9*10**9
r=2*1.5*10**-15
r1=1.38*10**-23

#Calculation
Q=(M1+M2-M3-M4)*S
Q2=q2*(q1**2/r)
Q3=(2*Q2)/(3*r1)

#Result
print"(a) The amount of energy is",round(Q,2),"MeV"
print"(b) The kinetic energy is",Q2,"J"
print"The temperature is",round(Q3*10**-9,2),"*10**9 K"