Determine temperature to which the exhaust must be cooled

Reference no: EM131347813

An icky, unknown hydrocarbon fuel of the form (CH₂)_n is burned with an unknown amount of excess air x in the following gosh awful reaction:

(CH₂)_n + 1.5n(1+x)[O₂+3.76(N₂)] → n(CO₂)+n(H₂O)+1.5nx(O₂)+5.64n(1+x)(N₂)

An exhaust gas analysis of the products of this combustion yielded the Table 15.11 percentage composition on a volume basis. Using these data, determine

a. The temperature to which the exhaust must be cooled to cause the water vapor to condense, if the exhaust is at a total pressure of 22.223 psia.

b. The amount of excess air x used in the combustion process.

c. The air/fuel ratio on a mass basis.

Component	Molecular Mass	%
N2	28.0	77.4
O2	32.0	13.6
H2O	18.0	4.5
CO2	44.0	4.5
	Total	100.0

Reference no: EM131347813

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