38. Calculate What is the enthalpy change (H) in kj for the following reaction? 2A1(s) Fe, 0,(5) - > 2Fe(s) Al,O,(s) Use the enthalpy changes for the combustion of aluminum and iron: 2Al(s) 10,(g) - > Al,O,(s) Н = - 1676.0 kJ 2Fe(s) 302(g) - > Fe,O,(s) H = - 822.1 kJ
