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4 cards from this section. Quick, good the night before a test.
What is the main product emitted by hydrogen fuel cells?
Think about what happens when hydrogen combines with oxygen in a fuel cell.
Define efficiency in the context of fuel cells.
Consider how much of the energy is actually used versus wasted.
What is the primary byproduct of a hydrogen fuel cell?
Think about what hydrogen and oxygen create when they react.
True or False: Fuel cells operate silently due to having only one moving part.
Consider what would contribute to noise in engines.
Consider a city that transitions from combustion vehicles to hydrogen fuel cells. Discuss the potential environmental and social impacts.
Consider various aspects like health, economy, and environmental benefits.
If a certain fuel cell has an efficiency of 60% while another engine type varies between 25%-45% efficiency, calculate the potential energy savings if both are supplied with 100 units of energy.
Think of the direct relation between efficiency percentages and output energy.
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