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Question

A fuel cell develops an electrical potential from the combustion of butane at 1 bar and 298 K.C4H10(g)+6.5O2(g)4CO2(g)+5H2O(l);rG=2746 kJ/mol
What is E of a cell?

A
4.74 V
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B
0.547 V
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C
4.37 V
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D
1.09 V
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