2Fe(OH)3 = Fe2O3 + 3H2O(g)-823*2 -824.2 -241.8*3吸热:96.4kJ/mol2Al(OH)3(无定形) = Al2O3(无定形) + 3H2O(g)-1276*2 -1632 -241.8*3吸热:194.6kJ/mol
反应需要吸收的热量这是什么问题???