Question

A hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as ___. When used at home, a fuel cell eliminates the need for___

1) A. Heat
B. Electrical energy
C. Chemical energy

2) A. Oxygen
B. Hydrogen
C. An electrical grid

Answer 1

It would be A. heat and C. an electric grid.

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Answer 2

A hydrogen fuel cell is more efficient than a combustion reaction because very little of the released energy is released as "Heat". When used at home, a fuel cell eliminates the need for "An Electrical grid"

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