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15-01-2024
Mathematics

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A fuel cell produces 55 Amps at 0.7 volts, with an H2 flow rate of 0.40 nlpm. Calculate the thermal efficiency, based on HHV. Use HHV-285.8 kJ/mol, and recall that one mole of an ideal gas occupies 22.4 liters under Normal Conditions.
A.45%
B.23%
C.38%
D.52%

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