Practice - Operating Principles
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Practice Questions
Test your understanding with targeted questions
What is the main function of the anode in a fuel cell?
💡 Hint: Think about where the oxidation process occurs.
Name one type of application for fuel cells.
💡 Hint: Consider where you might find fuel cells being used today.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary reaction at the anode in a hydrogen fuel cell?
💡 Hint: Focus on what happens to hydrogen in the reaction.
Is the electrolyte in a fuel cell conductive for electrons?
💡 Hint: Recall what electrons do in the circuit.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A fuel cell with a maximum Gibbs free energy change of 237 kJ/mol and an enthalpy change of 286 kJ/mol is being evaluated. Calculate its theoretical efficiency.
💡 Hint: Use the efficiency formula with Gibbs free energy and enthalpy.
Compare the environmental impact of a fuel cell powered by hydrogen versus a gasoline combustion engine. Discuss efficiency, emissions, and renewable potential.
💡 Hint: Consider efficiency and byproducts in your comparison.
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Reference links
Supplementary resources to enhance your learning experience.