A mixture of ideal gases consist of 2 kmol CH4, 1kmol N2, and 1kmol O2 all at 20 degree C and 20 kPa. Heat is added until the temperature increases to 400 degree C while the pressure remains constant....

A mixture of ideal gases consist of 2 kmol CH4, 1kmol N2, and 1kmol O2 all at 20
degree C and 20 kPa. Heat is added until the temperature increases to 400 degree C
while the pressure remains constant. Calculate:
A.The heat transfer
B.The work done

Provide schematic diagram and complete solutions with formulas.