//Transport Processes and Seperation Process Principles //Chapter 1 //Example 1.6-4 //Introduction to engineering principles and units //given data //heat of combustion for carbon to carbon dioxide is -393x10^3 kJ/kg mol or -94.0518 kCal/g mol //heat of combustion for carbon to carbon monoxide is -110x10^3 kJ/kg mol or -26.4157 kCal/g mol //basis: 10 g bol of carbon where 90% converts to carbon dioxide and rest to carbon monoxide HkJ=(90/100)*10*(-393.513)+(10/100)*10*(-110.523);//change in enthalpy= sum of heat of combustion of products(as reactant is a plain element) HkCal=(90/100)*10*(-94.0518)+(10/100)*10*(-26.4157); mprintf("change in enthalpy %f kJ",HkJ) mprintf("change in enthalpy %f kCal",HkCal) //end