Electrochemistry and Batteries

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Questions and Answers

Which device is capable of converting stored chemical energy to electric energy?

  • Lead-acid accumulator
  • Fuel cell (correct)
  • Galvanic cell
  • Nickel-cadmium battery

What is the mechanism of a Lead-acid accumulator?

  • Solid oxide fuel cell
  • Hydrogen-oxygen fuel cell
  • Controlled redox chemical reactions (correct)
  • Li/SOCl2 cell

Which type of battery utilizes a Li/I2 cell?

  • Lithium ion battery (correct)
  • Solid oxide fuel cell
  • Nickel-cadmium battery
  • Galvanic cell

What is the significance of the EMF series?

<p>It determines the feasibility of redox reactions (C)</p> Signup and view all the answers

Which fuel cell utilizes hydrogen-oxygen as reactants?

<p>Hydrogen-oxygen fuel cell (A)</p> Signup and view all the answers

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