Question: answer quickly for thumbs up Natural gas containing 85 mole% methane (CH4),3 mole% ethnne (C2H0),3 mote% benzene (C6H0). 5 mole% hydrogen (H2), and the rest

answer quickly for thumbs up

$answer quickly for thumbs up Natural gas containing 85 mole\% methane (CH4),3$

Natural gas containing 85 mole\% methane (CH4),3 mole\% ethnne (C2H0),3 mote\% benzene (C6H0). 5 mole\% hydrogen (H2), and the rest water vapour (H2O) is burnt with 20% excess air. The air contains 1.5 mole\% water. Calculate (a) the ratio of moles of air required per mole natural gns fed. (10 marks) (b) the componition of the flue gos in moleof assuming that the combustion is complete wich all C going to CO2 and all H going to H2O. (15 marks) Assume that dry air is 21 mole\% axygen and 79 mole\% nitrogen. Hint, Draw a well labelled diageraes and catry out s degree of freedom analysis prior to nolving the

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