Question 1

Consider the short-lived neutral isotope represented by  X.Which of the following statements about this isotope are correct? (There may be more than one correct choice.)

Accepted Answer

A)   The isotope has 25 nucleons.
B)   The isotope has 25 protons.
C)   The isotope has 25 neutrons.
D)   The isotope has 15 orbital electrons.
E)   The isotope has 15 protons.F)  The isotope has 10 neutrons.

Question 2

The primary source of the energy radiated by a star,such as the sun,is

Accepted Answer

A)   beta decay.
B)   alpha decay.
C)   fission reactions involving uranium.
D)   fusion reactions in which hydrogen is fused to form helium.
E)   fusion reactions in which helium is fused to form iron.

Question 3

Going from medium mass nuclei to heavy nuclei,the average binding energy per nucleon

Accepted Answer

A)   decreases.
B)   behaves randomly with no clear pattern.
C)   does not change.
D)   increases.
E)   doubles.

Question 4

The material used in certain nuclear bombs is 239Pu,which has a half-life of about 20,000 years.How long must we wait for a buried stockpile of this substance to decay to 4.0% of its original 239Pu mass?

Accepted Answer

A)   93,000 y
B)   64,000 y
C)   45,000 y
D)   800 y A

Question 5

The reaction 2H + 2H →? 3H + 1H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced? 2H + 2H →? 3H + 1H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced?   ,   ,1 u = 931.5 MeV/c2 = 1.6605 × 10-27 kg)  A)  9.7 × 107 J B)  9.7 × 1013 J C)  1.9 × 107 J D)  1.9 × 1014 J E)  1.9 × 1011 J" class="answers-bank-image d-inline" rel="preload" > , 2H + 2H →? 3H + 1H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced?   ,   ,1 u = 931.5 MeV/c2 = 1.6605 × 10-27 kg)  A)  9.7 × 107 J B)  9.7 × 1013 J C)  1.9 × 107 J D)  1.9 × 1014 J E)  1.9 × 1011 J" class="answers-bank-image d-inline" rel="preload" > ,1 u = 931.5 MeV/c2 = 1.6605 × 10-27 kg)

Accepted Answer

A)   9.7 × 107 J
B)   9.7 × 1013 J
C)   1.9 × 107 J
D)   1.9 × 1014 J
E)   1.9 × 1011 J

Question 6

Calculate the amount of energy that is released in the fusion reaction 2H + 2H → 4He,given the masses: 2H: 2.014102 u
4He: 4.002603 u
(1 u = 931.5 MeV/c2)

Accepted Answer

A)   24 MeV
B)   18 MeV
C)   13 MeV
D)   12 MeV
E)   36 MeV

Question 7

For a  Nb atom,the number of protons,neutrons,and electrons in the atom is

Accepted Answer

A)   41, 52, 93.
B)   41, 52, 52.
C)   41, 52, 41.
D)   41, 52, 0.
E)   52, 41, 0.

Question 8

Consider two different isotopes of the same neutral element.Which statements about these isotopes are true? (There may be more than one correct choice.)

Accepted Answer

A)   Both isotopes contain the same number of neutrons.
B)   Both isotopes contain the same number of protons.
C)   Both isotopes contain the same number of nucleons.
D)   Both isotopes contain the same number of orbital electrons.
E)   The sum of the protons and neutrons is the same for both isotopes.

Question 9

A radioactive nuclide of atomic number Z emits an electron,then the daughter nuclide emits a gamma ray.What is the atomic number of the resulting nuclide after both processes?

Accepted Answer

A)   Z + 1
B)   Z - 1
C)   Z - 2
D)   Z - 3
E)   Z + 2

Question 10

What mass of 14C (having a half-life of 5730 years) do you need to provide a decay rate of 14C (having a half-life of 5730 years) do you need to provide a decay rate of   (1 u = 1.6605 × 10-27 kg)  A)  1.70 × 10-12 kg B)  5.38 × 10-19 kg C)  3.84 × 10-20 kg D)  8.68 × 10-13 kg" class="answers-bank-image d-inline" rel="preload" > (1 u = 1.6605 × 10-27 kg)

Accepted Answer

A)   1.70 × 10-12 kg
B)   5.38 × 10-19 kg
C)   3.84 × 10-20 kg
D)   8.68 × 10-13 kg

Question 11

An excited * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > U* nucleus undergoes fission into two fragments,as shown: * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > U* → * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > Ba + * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > Kr The following atomic masses are known: * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > Kr: 91.926270 u * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > Ba: 143.922845 u * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > U*: 236.045563 u
Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9 * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" > * nucleus undergoes fission into two fragments,as shown:   U* →   Ba +   Kr The following atomic masses are known:   Kr: 91.926270 u   Ba: 143.922845 u   U*: 236.045563 u Assume,at a given instant,that the two fission fragments are spherical,just barely in contact,and carry spherically symmetric charge distributions.At that instant,what is the electrostatic interaction energy of the two fragments,in MeV? (1 u = 1.6605 × 10-27 kg = 9     A)  230 MeV B)  240 MeV C)  250 MeV D)  260 MeV E)  270 MeV" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   230 MeV
B)   240 MeV
C)   250 MeV
D)   260 MeV
E)   270 MeV

Question 12

The stability of +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Fe with respect to alpha,β+,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known: +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > He: 4.002603 u +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Cr: 51.944768 u +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Mn: 55.938907 u +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Fe: 55.934939 u +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Co: 55.939841 u The +,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known:   He: 4.002603 u   Cr: 51.944768 u   Mn: 55.938907 u   Fe: 55.934939 u   Co: 55.939841 u The   Fe nuclide is A)  not subject to alpha, β+, or β- decay. B)  subject to alpha decay only. C)  subject to β+decay only. D)  subject to β- decay only. E)  subject to β+ or β- decay, but not to alpha decay." class="answers-bank-image d-inline" rel="preload" > Fe nuclide is

Accepted Answer

A)   not subject to alpha, β+, or β- decay.
B)   subject to alpha decay only.
C)   subject to β+decay only.
D)   subject to β- decay only.
E)   subject to β+ or β- decay, but not to alpha decay. A

Question 13

The maximum permissible workday dose for occupational exposure to radiation is 26 mrem.A 55-kg laboratory technician absorbs 3.3 mJ of 0.40-MeV gamma rays in a workday.The relative biological efficiency (RBE) for gamma rays is 1.00.What is the ratio of the equivalent dosage received by the technician to the maximum permissible equivalent dosage?

Accepted Answer

A)   0.23
B)   0.25
C)   0.28
D)   0.30
E)   0.32

Question 14

The radioactive nuclei 60Co is widely used in medical applications.It undergoes beta decay,and the total energy of the decay process is 2.82 MeV per decay event.The half-life of this nucleus is 272 days.Suppose that a patient is given a dose of 6.9 µCi of 60Co.If all of this material decayed while in the patient's body,what would be the total energy deposited there? 60Co is widely used in medical applications.It undergoes beta decay,and the total energy of the decay process is 2.82 MeV per decay event.The half-life of this nucleus is 272 days.Suppose that a patient is given a dose of 6.9 µCi of 60Co.If all of this material decayed while in the patient's body,what would be the total energy deposited there?   A)  11 J B)  8.6 GJ C)  3.9 J D)  24 J E)  4.15 MJ" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   11 J
B)   8.6 GJ
C)   3.9 J
D)   24 J
E)   4.15 MJ

Question 15

In massive stars,three helium nuclei fuse together,forming a carbon nucleus.This reaction heats the core of the star.The net mass of the three helium nuclei must therefore be

Accepted Answer

A)   higher than that of the carbon nucleus.
B)   less than that of the carbon nucleus.
C)   the same as that of the carbon nucleus since mass is always conserved.
D)   the same as that of the carbon nucleus since energy is always conserved.

Question 16

Today,the uranium found on Earth contains 0.720% 235U (with a half-life of 0.700 billion years) and 99.28% 238U (with a half-life of 4.50 billion years) .At a time 2.20 billion years ago,what percent of the uranium on Earth was 238U (assuming that no other uranium isotopes were present) ?

Accepted Answer

A)   95.6%
B)   2.18%
C)   6.29%
D)   8.68%
E)   4.53%

Question 17

The neutral deuterium atom,  H,has a mass of 2.014102 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.What is the binding energy of the  H nucleus?

Accepted Answer

A)   1.1 MeV
B)   1.7 MeV
C)   2.2 MeV
D)   2.9 MeV
E)   3.4 MeV

Question 18

What is the binding energy per nucleon for 2)  A)  8.3 MeV B)  6.7 MeV C)  5.4 MeV D)  3.4 MeV E)  2.8 MeV" class="answers-bank-image d-inline" rel="preload" > Al? The neutral 2)  A)  8.3 MeV B)  6.7 MeV C)  5.4 MeV D)  3.4 MeV E)  2.8 MeV" class="answers-bank-image d-inline" rel="preload" > Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.(1 u = 931.494 MeV/c2)

Accepted Answer

A)   8.3 MeV
B)   6.7 MeV
C)   5.4 MeV
D)   3.4 MeV
E)   2.8 MeV

Question 19

Plutonium-239 decays into uranium-235 plus an alpha particle.The energy released in the process is 5.24 MeV.Given the following mass values 2)  A)  239.05215 u B)  239.02775 u C)  239.00189 u D)  238.99919 u E)  238.98884 u" class="answers-bank-image d-inline" rel="preload" > He: 4.002603 u 2)  A)  239.05215 u B)  239.02775 u C)  239.00189 u D)  238.99919 u E)  238.98884 u" class="answers-bank-image d-inline" rel="preload" > U: 235.043924 u what is the mass of 2)  A)  239.05215 u B)  239.02775 u C)  239.00189 u D)  238.99919 u E)  238.98884 u" class="answers-bank-image d-inline" rel="preload" > Pu in atomic mass units? (1 u = 931.494 MeV/c2)

Accepted Answer

A)   239.05215 u
B)   239.02775 u
C)   239.00189 u
D)   238.99919 u
E)   238.98884 u

Question 20

The iron nucleus has the greatest binding energy of any nucleus.

Accepted Answer

A) True 
 B)False  False

Exam 43: Nuclear Physics

Consider the short-lived neutral isotope represented by X.Which of the following statements about this isotope are correct? (There may be more than one correct choice.)

Correct Answer
verified

The primary source of the energy radiated by a star,such as the sun,is

Correct Answer
verified

Going from medium mass nuclei to heavy nuclei,the average binding energy per nucleon

Correct Answer
verified

The material used in certain nuclear bombs is ²³⁹Pu,which has a half-life of about 20,000 years.How long must we wait for a buried stockpile of this substance to decay to 4.0% of its original ²³⁹Pu mass?

Correct Answer
verified
A

The reaction ²H + ²H →? ³H + ¹H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced? , ,1 u = 931.5 MeV/c² = 1.6605 × 10^-27 kg)

Correct Answer
verified

Calculate the amount of energy that is released in the fusion reaction ²H + ²H → ⁴He,given the masses: ²H: 2.014102 u ⁴He: 4.002603 u (1 u = 931.5 MeV/c²)

Correct Answer
verified

For a Nb atom,the number of protons,neutrons,and electrons in the atom is

Correct Answer
verified

Consider two different isotopes of the same neutral element.Which statements about these isotopes are true? (There may be more than one correct choice.)

Correct Answer
verified

A radioactive nuclide of atomic number Z emits an electron,then the daughter nuclide emits a gamma ray.What is the atomic number of the resulting nuclide after both processes?

Correct Answer
verified

What mass of ¹⁴C (having a half-life of 5730 years) do you need to provide a decay rate of (1 u = 1.6605 × 10^-27 kg)

Correct Answer
verified

Correct Answer
verified

The stability of Fe with respect to alpha,β⁺,and β^-decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known: He: 4.002603 u Cr: 51.944768 u Mn: 55.938907 u Fe: 55.934939 u Co: 55.939841 u The Fe nuclide is

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

In massive stars,three helium nuclei fuse together,forming a carbon nucleus.This reaction heats the core of the star.The net mass of the three helium nuclei must therefore be

Correct Answer
verified

Correct Answer
verified

The neutral deuterium atom, H,has a mass of 2.014102 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.What is the binding energy of the H nucleus?

Correct Answer
verified

What is the binding energy per nucleon for Al? The neutral Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.(1 u = 931.494 MeV/c²)

Correct Answer
verified

Plutonium-239 decays into uranium-235 plus an alpha particle.The energy released in the process is 5.24 MeV.Given the following mass values He: 4.002603 u U: 235.043924 u what is the mass of Pu in atomic mass units? (1 u = 931.494 MeV/c²)

Correct Answer
verified

The iron nucleus has the greatest binding energy of any nucleus.

Correct Answer
verified
False

Exam 43: Nuclear Physics

Consider the short-lived neutral isotope represented by X.Which of the following statements about this isotope are correct? (There may be more than one correct choice.)

Correct AnswerverifiedShow Answer

The primary source of the energy radiated by a star,such as the sun,is

Correct AnswerverifiedShow Answer

Going from medium mass nuclei to heavy nuclei,the average binding energy per nucleon

Correct AnswerverifiedShow Answer

The material used in certain nuclear bombs is 239Pu,which has a half-life of about 20,000 years.How long must we wait for a buried stockpile of this substance to decay to 4.0% of its original 239Pu mass?

Correct AnswerverifiedA

The reaction 2H + 2H →? 3H + 1H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced? , ,1 u = 931.5 MeV/c2 = 1.6605 × 10-27 kg)

Correct AnswerverifiedShow Answer

Calculate the amount of energy that is released in the fusion reaction 2H + 2H → 4He,given the masses: 2H: 2.014102 u 4He: 4.002603 u (1 u = 931.5 MeV/c2)

Correct AnswerverifiedShow Answer

For a Nb atom,the number of protons,neutrons,and electrons in the atom is

Correct AnswerverifiedShow Answer

Consider two different isotopes of the same neutral element.Which statements about these isotopes are true? (There may be more than one correct choice.)

Correct AnswerverifiedShow Answer

A radioactive nuclide of atomic number Z emits an electron,then the daughter nuclide emits a gamma ray.What is the atomic number of the resulting nuclide after both processes?

Correct AnswerverifiedShow Answer

What mass of 14C (having a half-life of 5730 years) do you need to provide a decay rate of (1 u = 1.6605 × 10-27 kg)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The stability of Fe with respect to alpha,β+,and β- decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known: He: 4.002603 u Cr: 51.944768 u Mn: 55.938907 u Fe: 55.934939 u Co: 55.939841 u The Fe nuclide is

Correct AnswerverifiedA

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In massive stars,three helium nuclei fuse together,forming a carbon nucleus.This reaction heats the core of the star.The net mass of the three helium nuclei must therefore be

Correct AnswerverifiedShow Answer

Today,the uranium found on Earth contains 0.720% 235U (with a half-life of 0.700 billion years) and 99.28% 238U (with a half-life of 4.50 billion years) .At a time 2.20 billion years ago,what percent of the uranium on Earth was 238U (assuming that no other uranium isotopes were present) ?

Correct AnswerverifiedShow Answer

The neutral deuterium atom, H,has a mass of 2.014102 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.What is the binding energy of the H nucleus?

Correct AnswerverifiedShow Answer

What is the binding energy per nucleon for Al? The neutral Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.(1 u = 931.494 MeV/c2)

Correct AnswerverifiedShow Answer

Plutonium-239 decays into uranium-235 plus an alpha particle.The energy released in the process is 5.24 MeV.Given the following mass values He: 4.002603 u U: 235.043924 u what is the mass of Pu in atomic mass units? (1 u = 931.494 MeV/c2)

Correct AnswerverifiedShow Answer

The iron nucleus has the greatest binding energy of any nucleus.

Correct AnswerverifiedFalse

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The material used in certain nuclear bombs is ²³⁹Pu,which has a half-life of about 20,000 years.How long must we wait for a buried stockpile of this substance to decay to 4.0% of its original ²³⁹Pu mass?

Correct Answer
verified
A

The reaction ²H + ²H →? ³H + ¹H releases 4.03 MeV of energy.If 1.0 kg of deuterium were to go through this reaction,how much energy would be produced? , ,1 u = 931.5 MeV/c² = 1.6605 × 10^-27 kg)

Correct Answer
verified

Calculate the amount of energy that is released in the fusion reaction ²H + ²H → ⁴He,given the masses: ²H: 2.014102 u ⁴He: 4.002603 u (1 u = 931.5 MeV/c²)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What mass of ¹⁴C (having a half-life of 5730 years) do you need to provide a decay rate of (1 u = 1.6605 × 10^-27 kg)

Correct Answer
verified

Correct Answer
verified

The stability of Fe with respect to alpha,β⁺,and β^-decay is to be determined.Do not consider the possibility of decay by electron capture.The following atomic masses are known: He: 4.002603 u Cr: 51.944768 u Mn: 55.938907 u Fe: 55.934939 u Co: 55.939841 u The Fe nuclide is

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the binding energy per nucleon for Al? The neutral Al atom has a mass of 26.981539 u; a neutral hydrogen atom has a mass of 1.007825 u; a neutron has a mass of 1.008665 u; and a proton has a mass of 1.007277 u.(1 u = 931.494 MeV/c²)

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Plutonium-239 decays into uranium-235 plus an alpha particle.The energy released in the process is 5.24 MeV.Given the following mass values He: 4.002603 u U: 235.043924 u what is the mass of Pu in atomic mass units? (1 u = 931.494 MeV/c²)

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False