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Questions and Answers
Which of the following is a common application of hydrogen oxygen fuel cells?
Which of the following is a common application of hydrogen oxygen fuel cells?
- Producing clean drinking water
- Generating electricity for spacecraft (correct)
- Powering electric vehicles
- Creating artificial intelligence
What is the main advantage of hydrogen oxygen fuel cells?
What is the main advantage of hydrogen oxygen fuel cells?
- Ease of refueling
- Long lifespan
- Low cost
- High energy density (correct)
The reaction occurring at the cathode of hydrogen-oxygen fuel cell is
The reaction occurring at the cathode of hydrogen-oxygen fuel cell is
- 2H2 + 4OH– → 4H2O + 4e–
- 2H2 + O2 → 2H2O (l)
- H+ + OH– → H2O
- O2 + 2H2O + 4e– → 4OH– (correct)
Flashcards
Hydrogen-Oxygen Fuel Cells Application
Hydrogen-Oxygen Fuel Cells Application
Used to generate electricity for spacecraft.
Advantage of Hydrogen-Oxygen Fuel Cells
Advantage of Hydrogen-Oxygen Fuel Cells
They have high energy density, meaning they store a lot of energy.
Cathode Reaction in Fuel Cells
Cathode Reaction in Fuel Cells
O2 + 2H2O + 4e– → 4OH– is the reaction at the cathode.
Study Notes
Which of the following is a common application of hydrogen oxygen fuel cells? What is the main advantage of hydrogen oxygen fuel cells? The reaction occurring at the cathode of hydrogen-oxygen fuel cell is
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