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Al2(SO4)3 + ...
a) K2O + H2O → 2KOH (phản ứng hóa hợp).
b) 2Al(OH)3 \(\underrightarrow{t^o}\) Al2O3 + 3H2O (phản ứng phân hủy)
c) Fe2O3 + 3H2 \(\underrightarrow{t^o}\) 2Fe + 3H2O ( phản ứng oxi hóa khử)
d) Zn + CuSO4 → ZnSO4 + Cu (phản ứng thế)
Em xem lại các bài học sau để nắm rõ định nghĩa về các loại phản ứng nhé
https://hoc24.vn/ly-thuyet/bai-25-su-oxi-hoa-phan-ung-hoa-hop-ung-dung-cua-oxi.434
https://hoc24.vn/ly-thuyet/bai-27-dieu-che-khi-oxi-phan-ung-phan-huy.436
https://hoc24.vn/ly-thuyet/bai-32-phan-ung-oxi-hoa-khu.441
https://hoc24.vn/ly-thuyet/bai-33-dieu-che-hidro-phan-ung-the.442
\(N_2O_5+H_2O\rightarrow2HNO_3\)
=> Phản ứng hóa hợp
\(Zn\left(OH\right)_2\underrightarrow{^{t^0}}ZnO+H_2O\)
=> Phản ứng phân hủy
\(K_2O+H_2O\rightarrow2KOH\)
=> Phản ứng hóa hợp
\(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
=> Phản ứng thế
a,
(1) \(N_2O_5+H_2O\rightarrow2HNO_3\) _ Pư hóa hợp
(2) \(Zn\left(OH\right)_2\underrightarrow{t^o}ZnO+H_2O\) _ Pư phân hủy
(3) \(K_2O+H_2O\rightarrow2KOH\) _ Pư hóa hợp
(4) \(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\) _ Pư thế
Bạn tham khảo nhé!
2Cu + O2 -> 2CuO
2Al(OH)3 + 3H2SO4 -> Al2(SO4)3 + 6H2O
2Fe + 3Cl2 -> 2FeCl3
CnH2n + 3n/2O2 -> nCO2 + nH2O
\(a,3Fe+2O_2\xrightarrow[]{t^o}Fe_3O_4\) (phản ứng hoá hợp)
\(b,2KClO_3\xrightarrow[MnO_2]{t^o}2KCl+3O_2\uparrow\) (phản ứng phân huỷ)\
\(c,Zn+CuCl_2\rightarrow ZnCl_2+Cu\downarrow\) (phản ứng thế)
a: \(3Fe+2O_2\rightarrow Fe_3O_4\)
b: \(2KClO_3\rightarrow2KCl+3O_2\)
c: \(Zn+CuCl_2\rightarrow ZnCl_2+Cu\)
a) 3Fe + 2O2 → Fe3O4.(PỨ hoá hợp)
b)\(2KClO_3\underrightarrow{t^o}2KCl+3O_2\uparrow\) (PỨ Phân huỷ)
c) Zn + CuCl2 → ZnCl2 + Cu (PỨ thế)
d)4 P + 5O2 → 2 P2O5 (PỨ hoá hợp)
đ) KMnO4 →K2MnO4 + MnO2 + O2.(Pứ phân huỷ)
e) 2Al + 3Cl2 → 2AlCl3 (PỨ Hoá hợp)
f) 2Zn + O2 → 2ZnO. (PỨ hoá hợp)
g) Fe(OH) →Fe2O3 + H2O (Pứ Phân huỷ)
h) CaO + H2O →Ca(OH)2. (PỨ hoá hợp)
a, \(2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+6H_2O\)
b, \(ZnO+2HCl\rightarrow ZnCl_2+H_2O\)
c, \(3KOH+H_3PO_4\rightarrow K_3PO_4+3H_2O\)
d, \(CH_4+2O_2\underrightarrow{t^o}CO_2+2H_2O\)
a. \(2Al\left(OH\right)_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\)
b. \(ZnO+2HCl\rightarrow ZnCl_2+H_2O\)
c. \(3KOH+H_3PO_4\rightarrow K_3PO_4+3H_2O\)
d. \(CH_4+2O_2\underrightarrow{t^o}CO_2+2H_2O\)
Zn + 2HCl → ZnCl2 + H2
2H2 + O2 → 2H2O
2KClO3 ---to→ 2KCl + 3O2
2Al + 3H2SO4 → Al2(SO4)3 + 3H2
CuO + H2 → Cu + H2O