Nuclear Reactions

Thermal neutrons at the room temperature have an energy of $0.025 \mathrm{eV}.$ Half-life of neutrons is $10$ minutes. If a source gives out a beam of neutrons, at what distance from the source, half the neutrons would have decayed?

The average translational kinetic energy depends only on _____ temperature.

Does average kinetic energy depend only on temperature?
 

How do you find the kinetic energy of a thermal neutron?
 

What is the average kinetic energy of a molecule in terms of temperature?
 

In the following nuclear reaction ${}_{6}C^{11}\to {}_{5}B^{11}-{\beta }^{-}-x, x$ stands for  

When ${}_3{}^7\mathrm{Li}$ nuclei are bombarded by protons, the resultant nuclei is ${}_4{}^8\mathrm{Be}$. The emitted particles will be

Explain electron capture.

What is the nuclear equation for the electron capture decay of $\mathrm{Argon}-37$? Calculate the energy released.

The complete reaction equation for electron capture by ${}^{15}\mathrm{O}$ is ${}_8^{15}{\mathrm{O}}_7+e^{-}{\to }_7^{15}{\mathrm{N}}_8+{\nu }_e$. Calculate the energy released in $\mathrm{MeV}$.

Write the complete reaction equation for electron capture by ${}^{15}\mathrm{O}$. Calculate the energy released.

In beta decay, the typical Q value is approximately:

The nucleus of element $X\left(A=220\right)$ undergoes $\alpha$−decay. If $Q$-value of the reaction is $5.5\mathrm{MeV}$, then the kinetic energy of $\alpha$−particle is:

Consider the following nuclear reactions:

I. ${}_7{}^{14} \mathrm{N}+{}_2{}^4\mathrm{He}⟶{}_8{}^{17}\mathrm{O}+X$

II. ${}_4{}^9\mathrm{Be}+{}_2{}^4\mathrm{H}⟶{}_6{}^{12}\mathrm{He}+Y$

Then,

A nucleus of mass number $232$ and atomic number $90$, after many disintegrations of $\alpha$ and $\beta$ radiation, decays into other nuclei whose mass number is $220$ and atomic number is $86.$ The numbers of $\alpha$ and $\beta$ radiations will be:

Identify the missing product in the given nuclear reaction ${}_{92}{}^{235}\mathrm{U}+{}_0{}^1\mathrm{n}\to ?+{}_{36}{}^{92}\mathrm{Kr}+3_0^1\mathrm{n}$

A nuclear reaction is represented by the following equation: ${}_0{}^1\mathrm{n}+{}_{80}{}^{198}\mathrm{Hg}\to {}_{79}{}^{197}\mathrm{Au}+{}_1{}^2\mathrm{H}$. This reaction is an example of

Consider the nuclear fission reaction $\mathrm{w}\to \mathrm{x}+\mathrm{y}$ using the graph given answer the following question.

What is the $Q$-Value of the reaction?

The threshold energy for the following nuclear reaction to proceed is
${}_2{}^4\mathrm{He}+{}_7{}^{14} \mathrm{N}\to {}_8{}^{17}\mathrm{O}+{}_1{}^1\mathrm{H}$ 

atomic mass of ${}_2{}^4\mathrm{He}$ is $4.00260 \mathrm{amu}$
atomic mass of ${}_7{}^{14} \mathrm{N}$ is $14.00307 \mathrm{amu}$
atomic mass of ${}_8{}^{17}\mathrm{O}$ is $16.99913 \mathrm{amu}$
atomic mass of ${}_1{}^1\mathrm{H}$ is $1.00783 \mathrm{amu}$

A free neutron decays to a proton but a free proton does not decay to a neutron. This is because