Engineering Chemistry

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Questions and Answers

What is an electrochemical cell used for?

  • Generating electricity from a non-spontaneous redox reaction
  • Generating electricity from a spontaneous redox reaction (correct)
  • Driving a non-spontaneous redox reaction using electricity
  • Driving a spontaneous redox reaction using electricity

What are the components of an electrochemical cell?

  • Cathode, anode, and semiconductor
  • Electrode materials, electrolytic cells, and semiconductor
  • Anode, cathode, and electrolyte (correct)
  • Two electronic conductors, an ionic conductor, and a metal wire

What type of reaction does a galvanic cell use?

  • Acid-base reaction
  • Spontaneous redox reaction (correct)
  • Combustion reaction
  • Non-spontaneous redox reaction

Which type of fuel cell uses H2-O2?

<p>Solid oxide fuel cell (SOFC) (A)</p> Signup and view all the answers

What are the types of solar cells mentioned in the text?

<p>Photovoltaic cells, Photoelectrochemical cells, Dye-sensitized cells (C)</p> Signup and view all the answers

What is the function of an electrochemical cell?

<p>To generate electricity from a spontaneous redox reaction (C)</p> Signup and view all the answers

What are the main components of an electrochemical cell?

<p>Two electronic conductors, an ionic conductor, and a metal wire (D)</p> Signup and view all the answers

Which type of electrochemical cell uses the energy released during a spontaneous redox reaction?

<p>Galvanic cell (C)</p> Signup and view all the answers

What is the chemistry of Li ion secondary batteries?

<p>They utilize lithium ions for energy storage (A)</p> Signup and view all the answers

What is the purpose of a fuel cell?

<p>To generate electricity from a spontaneous redox reaction (B)</p> Signup and view all the answers

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