Cân bằng electron + đầy đủ, ghi cách cân bằng lun ạ :(((( $Al+Fe_2O_3\xrightarrow{t^o}Al_2O_3+Fe_xO_y$ 22/07/2021 Bởi Cora Cân bằng electron + đầy đủ, ghi cách cân bằng lun ạ :(((( $Al+Fe_2O_3\xrightarrow{t^o}Al_2O_3+Fe_xO_y$
$(3x-2y) \times|\mathop{Al}\limits^{0}\to \mathop{Al}\limits^{+3} +3e$ $3\times |x\mathop{Fe}\limits^{+3}+(3x-2y)e \to x\mathop{Fe}\limits^{\frac{+2y}x}$ PTHH: $(3x-2y)Al+\dfrac32xFe_2O_3\xrightarrow{t^o}\dfrac{3x-2y}{2}Al_2O_3+3Fe_xO_y$ Hay: $(6x-4y)Al+3xFe_2O_3\xrightarrow{t^o} (3x-2y)Al_2O_3+6Fe_xO_y$ Bình luận
$(3x-2y) \times|\mathop{Al}\limits^{0}\to \mathop{Al}\limits^{+3} +3e$
$3\times |x\mathop{Fe}\limits^{+3}+(3x-2y)e \to x\mathop{Fe}\limits^{\frac{+2y}x}$
PTHH: $(3x-2y)Al+\dfrac32xFe_2O_3\xrightarrow{t^o}\dfrac{3x-2y}{2}Al_2O_3+3Fe_xO_y$
Hay: $(6x-4y)Al+3xFe_2O_3\xrightarrow{t^o} (3x-2y)Al_2O_3+6Fe_xO_y$