Question: Butane is burned with air, No carbon monoxide is present in the combustion products. (a) Use a degree-of-freedom analysis to prove that if the percentage

Butane is burned with air, No carbon monoxide is present in the combustion products.

(a) Use a degree-of-freedom analysis to prove that if the percentage excess air and the percentage conversion of butane are specified, the molar composition of the product gas can be determined.

(b) Calculate the molar composition of the product gas for each of the following three cases:

(i) Theoretical air supplied, 100% conversion of butane:

(ii) 20% excess air, 100% conversion of butane;

(iii) 20% excess air, 90% conversion of butane.

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a C4H10 132 O 4 CO 5 HO Basis 100 mol C4H10 Px excess air nair mol air 021 0 079 N DF analys... View full answer

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