" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Fe₂O2 → Fe + 3/2O₂ ΔH = +840 kJ
2Al + 3/2O₂ → Al₂O₃ ΔH = -1680 kJ
__________________________________________ +
2Al + Fe₂O₃ → 2Fe + Al₂O₃ ΔH = -840 Kj
Jadi, perubahan entalpi untuk reaksi di atas adalah -840 kJ