Natural gas whose molar composition is 95% CH4 and 5% COz is burned with 20% excess air, all entering the combustion chamber at 25 C. The products leave the combustion chamber at a temperature of 40C.
a) Determine the density of natural gas at 101.3 kPa and 25 C.
b) Determine the quantity of air required for the combustion described above, in kmol of air/kmol of fuel.
c) Determine the dew point of products.
d) Determine the quantity of condensed water and the molar composition of the products after condensation.
e) Calculate the heat transfer from the combustion chamber, in KK/kmol of fuel.