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Questions and Answers
What is electrochemistry concerned with?
What is electrochemistry concerned with?
- Conversion of electrical energy to chemical energy only
- Production of chemical energy from electrical energy
- Production of electrical energy from chemical energy only
- Conversion of chemical energy to electrical energy and vice versa (correct)
What are examples of chemical changes involving the transfer of electrons?
What are examples of chemical changes involving the transfer of electrons?
- Boiling of water, burning of wood, and melting of ice
- Photosynthesis, digestion of food, and combustion of fuels
- Rusting of iron, photosynthesis, and conversion of foods to energy (correct)
- Digestion of food, boiling of water, and sublimation of dry ice
What does an electrochemical cell produce?
What does an electrochemical cell produce?
- Mechanical energy
- Chemical energy
- Electrical energy (correct)
- Heat energy
What is revealed by the voltmeter in an electrochemical cell?
What is revealed by the voltmeter in an electrochemical cell?
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What does an electrochemical cell involve?
What does an electrochemical cell involve?
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What does the reduction potential of a half-reaction indicate?
What does the reduction potential of a half-reaction indicate?
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How is the competition for electrons between two half-reactions described?
How is the competition for electrons between two half-reactions described?
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What determines which half-reaction acquires electrons in a redox reaction?
What determines which half-reaction acquires electrons in a redox reaction?
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