Hydrogen Fuel Cell
Chemistry: AQA GCSE Higher, topic 5.2.6
Test yourself on Hydrogen Fuel Cell
What is the overall equation for a hydrogen fuel cell?
Which reactant is added to which electrode in hydrogen fuel cells?
According to the cathode half equation O2 + 4H+ + 4e- → 2H2O, how many hydrogen ions react with one oxygen molecule at the cathode?
Why do hydrogen ions move through the electrolyte from the anode to the cathode in a hydrogen fuel cell?
What does the equation 2H2 + O2 → 2H2O show about the amount of oxygen needed compared to hydrogen in a hydrogen fuel cell?