How much chemical energy is used

Reference no: EM13488828

A 47% efficient device uses chemical energy to generate 550J of electric energy.

How much chemical energy is used?

A second device uses twice as much chemical energy to generate half as much electric energy. What is its efficiency?

Reference no: EM13488828

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How much chemical energy is used : A 47% efficient device uses chemical energy to generate 550J of electric energy. How much chemical energy is used

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