Methane, CH, is burned with dry air. The molar analysis of the products on a dry basis is CO 9.7%, CO 0.5%. O2; 2,95% and N2;

86,85%. Determine

(a) the air-fuel ratio on both a molar and mass basis,

(b) the percent of theoretical air.

(c) the equivalence ratio, and

(d) the dew point temperature of the products, in Fahrenheit , if the pressure is 1 atm.