Understanding Nuclear Energy and Chemical Processes
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Questions and Answers

What prevents the nuclear reaction in a reactor core from going out of control?

  • Neutrons released by the reaction
  • Water submersion (correct)
  • Fresh uranium atoms
  • Steam turbines

What does the energy released from the nuclear fission of uranium cause the water in the reactor core to do?

  • Evaporate
  • Cool down
  • Heat up (correct)
  • Expand

What is the primary purpose of turning a steam turbine in a nuclear power plant?

  • To cool down the reactor core
  • To heat up the water
  • To produce electricity (correct)
  • To control the nuclear reaction

Which equation represents mass-energy equivalence?

<p>$e = mc^2$ (B)</p> Signup and view all the answers

What does the mass defect produced in a nuclear reaction result in?

<p>Increased heat (C)</p> Signup and view all the answers

What is one downside of nuclear energy production that is mentioned in the text?

<p>Radioactive waste production (B)</p> Signup and view all the answers

Which statement is true about nuclear power's contribution to energy production worldwide?

<p>It produces about 10% of the world's electricity. (D)</p> Signup and view all the answers

What field uses radioactive tracers to produce clear images of the body for medical diagnosis?

<p>'Nuclear medicine' (B)</p> Signup and view all the answers

'Nuclear energy can be used to fuel submarines and space probes.' What property makes nuclear energy suitable for these applications?

<p>'Compact energy source' (D)</p> Signup and view all the answers

What enables the calculation of the amount of energy per unit of mass according to Albert Einstein's equation?

<p>The speed of light (c) (A)</p> Signup and view all the answers

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