Question 6: 100 kg/h benzene (C6H6) at 25 C is combusted completely using 10% excess oxygen in a reactor. The gases leave the reactor at 125C and 1 atm. How much heat must be added or removed from the reactor in units of kJ/s? Relevant data is given below. Note: Thermodynamic data provided below is for T = 298K Substance Cp U molik) A,H (J/mol +49.0 136.0 -393.51 37.11 CHI) CO2) H2O(g) Ole) -241.81 33.58 0 29.35