Question: Hydrogen (H2) is burned with 100 percent excess air that enters the combustion chamber at 90F, 14.5 psia, and 60 percent relative humidity. Assuming complete

Hydrogen (H2) is burned with 100 percent excess air that enters the combustion chamber at 90°F, 14.5 psia, and 60 percent relative humidity. Assuming complete combustion, determine
(a) The air–fuel ratio and
(b) The volume flow rate of air required to burn the hydrogen at a rate of 25 lbm/h.

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