Ethane (C2H6) is burned with 30% excess air during a combustion process. Assuming complete combustion and a

Question:

Ethane (C2H6) is burned with 30% excess air during a combustion process. Assuming complete combustion and a total pressure of 100 kPa, determine.
(a) The air-fuel ratio.
(b) The dew point temperature of the products.
(c) What-if Scenario: What would the air to fuel ratio be if methane were burned instead of ethane?