A tank containing a gas mixture of 70% C2H4 and 30% CO2 is cooled from 1000 K to 300 K. Calculate the heat removed from 15 lbmoles of the gas mixture during the cooling process assuming process...

Extracted text: A tank containing a gas mixture of 70% C2H4 and 30% CO2 is cooled from 1000 K to 300 K. Calculate the heat removed from 15 lbmoles of the gas mixture during the cooling process assuming process proceed at (a) constant pressure of 1 atm and (b) at constant volume.