Hydrogen fuel cells that operate at lower temperatures use more expensive platinum electrode catalysts.
2 answers:
Answer:
They operate at a higher efficiency.
Explanation:
The expensive electrode catalysts like platinum are more efficient and are inert in nature. They can be used again and again and provides better surface for any reaction.
The correct answer is B) they operate at a higher efficiency. sorry hope the answers not to late :(
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Explanation:
We use the formula for calculate the density
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The answer is evaporation
Answer:
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Explanation:
This is an acid-base reaction, so we know the products are going to a salt/ionic compound and water.
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