1 and 2 please

Solve the following problems involving combustion of fuels. 1. An 8-kmol water gas has the following composition: 25.6% CO, 32.6% H2, 8.6% CH4, 7.2% C2H6, 13.2% C2H4, 6.1% CO2, 0.6% 02, & 6.1% N2. Find the (a) theoretical air needed using 2 methods; (b) the % excess air if 2000 kg of air used. What are the (c) HHV & (d) LHV of the water gas expressed in (1) MJ/kmol; (2) cal/mol; (3) BTU/Ibmol? 2. A city gas has the following composition by V: 2.6% CO2, 8.4% C2.73H4.72 (unsaturateds), 0.7% O2, 39.9% H2, 32.9% CO, 10.1% C1.14H4.28 (paraffins), & 5.4% N2. Calculate the theoretical number of moles of (a) O2, & (b) air that must be supplied for the complete combustion of 20 moles of the gas