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PLEASE ANSWER ALL 1. Calculate the molar enthalpy of combustion at 25?C and 1 bar pressure of...

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Mechanical Engineering

PLEASE ANSWER ALL

1. Calculate the molar enthalpy of combustion at 25?C and 1 barpressure of a gas of volumetric analysis 12% H2, 29% CO, 2.6% CH4,0.4% C2H4, 4% CO2, and 52% N2 for the H2O in the vapour phase andin the liquid phase.

ANSWER (- 137 240 kJ/kmol; - 145 158 kJ/kmol)

2. A gaseous fuel has the following volumetric composition: CH40.38, H2 0.26, N2 0.06, CO 0.26, CO2 0.04. Find the stoichiometricair/fuel ratio by volume and the corresponding wet and dryvolumetric analyses of the products of combustion.

ANSWER (4.86; CO2 0.121, H2O 0.182, N2 0.697; CO2 0.1485, N20.8515)

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