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1/
a/ 4Na + O2 ===> 2Na2O
b/ 2Al + 6HCl ===> 2AlCl3 + 3H2
c/ 2Fe(OH)3 =(nhiệt)==> Fe2O3 + 3H2O
d/ 2AgNO3 + BaCl2 ===> Ba(NO3)2 + 2AgCl
2/
a/ Mg + 2HCl ===> MgCl2 + H2
b/ 2Ca + O2 ===> 2CaO
c/ C2H4 + 3O2 ===> 2CO2 + 2H2O
d/ 2Al(OH)3 + 3H2SO4 ===> Al2(SO4)3 + 6H2O
1. 4Na + O2 --- > 2Na2O
2. 2 Al + 3S --- > Al2S3
3. 2Fe(OH)3 + 6HCl --- > 2FeCl3 + 6H2O
4. Fe2O3 + 3H2SO4 --- > Fe2(SO4)3 + 3H2O
5 . 2NaOH + Cu(NO3)2 --- > 2NaNO3 + Cu(OH)2
6 . 4P + 5O2 --- > 2P2O5
1. \(2Al+3Fe\left(NO_3\right)_2\rightarrow2Al\left(NO_3\right)_3+3Fe\)
2. \(P_2O_5+3Ba\left(OH\right)_2\rightarrow Ba_3\left(PO_4\right)_2+3H_2O\)
3. \(Al\left(OH\right)_3+3HCl\rightarrow AlCl_3+3H_2O\)
4. \(Al_2\left(SO_4\right)_3+3Ca\left(OH\right)_2\rightarrow3CaSO_4+2Al\left(OH\right)_3\)
5. \(Fe_3O_4+8HCl\rightarrow FeCl_2+2FeCl_3+4H_2O\)
6. \(Mg\left(NO_3\right)_2\underrightarrow{t^o}MgO+2NO_2+\dfrac{1}{2}O_2\)
7. \(2xFe+yO_2\underrightarrow{t^o}2Fe_xO_y\)
8. \(CH_4+2O_2\underrightarrow{t^o}CO_2+2H_2O\)
9. \(C_2H_6O+3O_2\underrightarrow{t^o}2CO_2+3H_2O\)
Bạn tham khảo nhé!
\(1.Al+Fe\left(NO_3\right)_2--->Al\left(NO_3\right)_2+Fe\)
\(2.P_2O_5+3Ba\left(OH\right)_2--->Ba_3\left(PO_4\right)_2+3H_2O\)
\(3.Al\left(OH\right)_3+3HCl--->AlCl_3+3H_2O\)
\(4.Al_2\left(SO_4\right)_3+3Ca\left(OH\right)_2--->3CaSO_4+2Al\left(OH\right)_3\downarrow\)
\(5.Fe_3O_4+8HCl--->FeCl_2+2FeCl_3+4H_2O\)
\(6.2Mg\left(NO_3\right)_2\overset{t^o}{--->}2MgO+4NO_2+O_2\)
\(7.xFe+\dfrac{y}{2}O_2\overset{t^o}{--->}Fe_xO_y\)
\(8.CH_4+2O_2\overset{t^o}{--->}CO_2+2H_2O\)
\(9.C_2H_6O+3O_2\overset{t^o}{--->}2CO_2+3H_2O\)
