4. If the change in enthalpy for carbon monoxide (CO) is -104.5 kJ/mol, and that of carbon dioxide (CO2) is -392.92 kJ/mol, what can we conclude about the stability of these two substances? (2 marks) 5. Calculate the change in enthalpy for the following reactions:( 3marks) C. Hoco) + O260) CO2(0) + H2O a. b. CzH6269) + 020) 00260) + H2O