Problem

Applying the First Law to Reacting SystemsFor the producer gas of Prob. 13.21, determine t...

Applying the First Law to Reacting Systems

For the producer gas of Prob. 13.21, determine the enthalpy of combustion, in Btu per lbmol of mixture, at 77°F, 1 atm, assuming water vapor in the products.

Prob. 13.21

Working with Reaction Equations

The gas driven off when low-grade coal is burned with insufficient air for complete combustion is known as producer gas. A particular producer gas has the following volumetric analysis: 3.8% CH4, 0.1% C2H6, 4.8% CO2, 11.7% H2, 0.6% O2, 23.2% CO, and the remainder N2, Determine, for complete combustion with the theoretical amount of air

(a) the molar analysis of the dry products of combustion.

(b) the amount of water vapor condensed, in lbmol/lbmol of producer gas, if the products are cooled to 70°F at a constant pressure of 1 atm.

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