//Section-10,Example-2,Page no.-CT.3 //To find dl_H for reduction of iron(III)by aluminium, clc; dl_HFe=0 //dlH_f(Fe) dl_HFAl2O3=-399.1 //dlH_f(Al_2O_3) dl_HAl=0 //dlH_f(Al) dl_HFe2O3=-196.51 //dlH_f(Fe_2O_3) dl_H=(2*dl_HFe+dl_HFAl2O3)-(2*dl_HAl+dl_HFe2O3) disp (dl_H,'Enthalpy change for the reduction of 1 mol Fe_2O_3(kCal)').