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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?

Solid oxide fuel cell (SOFC) Signup and view all the answers

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

Photovoltaic cells, Photoelectrochemical cells, Dye-sensitized cells Signup and view all the answers

What is the function of an electrochemical cell?

To generate electricity from a spontaneous redox reaction Signup and view all the answers

What are the main components of an electrochemical cell?

Two electronic conductors, an ionic conductor, and a metal wire Signup and view all the answers

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

Galvanic cell Signup and view all the answers

What is the chemistry of Li ion secondary batteries?

They utilize lithium ions for energy storage Signup and view all the answers

What is the purpose of a fuel cell?