A nuclear reactor converts nuclear energy into elet5-h;)7 yrjl.srgow6xx xmq-p;g( aj ctrical energy. Which of the following reactions best describes the pro(x;trgq ja6m-x pxs7;h lj)ygr-.w 5imary nuclear reaction in a nuclear reactor?

  Which statement describes a pos+pckv p9a 4g t84imge5sible nuclear fusion reaction?

  In the design of a nucleqx )ih 9fc)9y8aca(kwi7qt 2-0 isyknar fission reactor, which of the following statements are true99ticknqscyxk h)iwa -iq8y 70 f2a)(?
I. Control rods can increase the rate of fission when inserted into the reactor
II. The moderator blocks neutrons to ensure the chain reaction is controlled
III. Enrichment of uranium increases the probability of a chain reaction taking place

  In a nuclear reactor, what is the (62w.dsg jm:s5qe cj h m6/jxgname given to the material used to slow down neutrons in c56gm xwjq:6gmes jsd j2/.h(order to cause successful fissions?

  Which of the following is incf, )b-bxqge883z ,h qf h1q mxg-rzr,yorrectly matches a component of a nuclear power plant with)br e1r 38,ff 8-gh,qxqmqx,h z gzyb- its function?

  1.The following reaction takes j.pmpt b0 nj3ang2(nyxw7i9:s0 3 y ksplace in a nuclear reactor:
$^{235}_{92}U$+$^{1}_{0}​n$→$^{144}_{56}​Ba$+$^{89}_{36}Kr$+$3^1_0n$
(1)Differentiate between fission and fusion reactions.
(2)Determine whether this reaction is a nuclear fission or nuclear fusion.
2.The following data is given for this reaction:
The binding energy per nucleon of $^{235}U$ = 7.59 MeV
The binding energy per nucleon of $^{144}Ba$ = 8.27 MeV
The binding energy per nucleon of $^{89}​Kr$ = 8.62 MeV
Calculate the energy released from this reaction. ΔE =    MeV

  1.Uranium-235 ( $^{235}_{92}​U$) has a nuclear mass of 235.044 u.
(1)State what is meant by mass defect. $δ$ =    $u$
(2)Calculate the mass defect of uranium-235.
2.(1)Calculate the binding energy per nucleon of uranium-235. $binding\,energy\,per\,nucleon$ =    MeV
(2)On the axes given, sketch the variation of the binding energy per nucleon with the nucleon number. Label the position of uranium-235. There is no need to add numbers to the axes.

3.Uranium-235 ($^{235}_{92}U$) decays into thorium-231 ( $^{231}_{90}Th$).
Determine which nuclide has a higher binding energy per nucleon. Use the graph to justify your answer.

  Which of the following is the most suitabl0;-qen,vr;7hg8b y qx ja- fjowlh8o +e method for managing nuclear waste?

  Which of the following correctly shows the changegqvpd- tubsd66we: 1 - in total binding energy per nucleon in nuclear fission and nucl s6pu:6 q d-bdwev1g-tear fusion?

  A nuclear power plant operating at an o k rkzz v qhyw-89c2d6dhj5o9/verall efficiency of 40% produces energy at a rate of 950 MW. Thev69hok ykd2 wzhz cd8-r/q95j reaction responsible for generating this energy is given by;
$^{235}_{92}U$+$^{1}_{0}​n$→$^{144}_{56}​Ba$+$^{89}_{36}Kr$+$3^1_0n$
The atomic masses of the different nuclides are:
$^{1}_{0}​n$=1.0009u
$^{234}_{92}​U$=235.0444u
$^{141}_{56}​Ba$=140.9144u
$^{92}_{36}​Kr$=91.9262u
1.(1)Show that approximately 190 MeV of energy is released in one fission reaction. At this point the extra significant figures need to be shown since it’s a proof. $≈$    MeV
(2)Demonstrate that the energy density and specific energy of a fuel are related by the following equation $E_D​=ρES$​ , where $ρ$ is the density of the fuel
(3)Using the information given, determine the specific energy of Uranium-235 in $Jkg^{−1}$. $E_s$ =    $\times10^{13}\,J$
(4)Assuming that all of the Uranium 235 undergoes fission, calculate the mass of uranium needed to operate the plant for one year. m =    kg
2.The nuclear reactor consists of several features responsible for the smooth functioning of the reactor. State the function of the following features in the reactor;
(1)The control rods
(2)The moderator
(3)The heat exchanger

  In a nuclear fission reactiog:v0onu5 vb5p n, a nucleus of element $X$ absorbs a neutron and decays into a nucleus of element $Y$ and a nucleus of element $Z$.
 X+n→Y+Z+2n
Which of the following statements are true about the binding energies are likely true:
I. Binding energy per nucleon of $Y$ is greater than the binding energy per nucleon of $X$.
II. Total binding energy of $Y$ and $Z$ is less than the total binding energy of $X$.
III. Total binding energy of $Y$ and $Z$ is greater than the total binding energy of $X$.
IV. Binding energy per nucleon of $Y$ is less than the binding energy per nucleon of $X$.