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$1) K_2O + H_2O \to 2KOH \\ 2) C_xH_y + (x + \dfrac{y}{4} ) O_2 \xrightarrow{t^o} xCO_2 + \dfrac{y}{2}H_2O \\ 3) 2Mg + O_2 \xrightarrow{t^o} 2MgO \\ 4) 4P + 5O_2 \xrightarrow{t^o} 2P_2O_5 \\ 5) Ag_2O + H_2 \xrightarrow{t^o} 2Ag + H_2O$
1,3,4 : Hóa hợp
2 : Oxi hóa khử
5 : Thế
1) S+ O2 -t--> SO2(phản ứng hoa hợp)
2) 4P+5O2--t--> 2P2O5 (phản ứng hóa hợp )
3) 3Fe+ 2O2 --t--> Fe3O4 (phản ứng hóa hợp )
4) CH4 + 2O2 --> CO2+2H2O ( phản ứng xãy ra sự Oxi hóa)
5 ) 2KMnO4 --t--> K2MnO4 + MnO2+O2 (phản ứng phân hủy)
6) 2H2 + O2 ----> 2H2O(phản ứng hóa hợp )
7) CuO+H2 --t---> Cu +H2O(Phản ứng oxi hóa -khử)
8) Zn + 2HCl ----> ZnCl2 + H2(phản ứng thế)
(1) S + O2 --->(to) SO2 : pứ hóa hợp
(2) 4P + 5O2 --->(to) 2P2O5 : pứ hóa hợp
(3) 3Fe + 2O2 --->(to) Fe3O4 : pứ hóa hợp
(4) CH4 + 2O2 --->(to) CO2 + 2H2O : pứ oxi hóa
(5) 2 KMnO4 --->(to) K2MnO4 + MnO2 + O2 : pứ phân hủy
(6) 2H2 + O2 --->(to) 2H2O : pứ hóa hợp
(7) CuO + H2 --->(to) Cu + H2O : pứ oxi hóa-khử
(8) Zn + 2HCl ---> ZnCl2 + H2 : pứ thế
\(a,3Fe+2O_2\xrightarrow[]{t^o}Fe_3O_4\) (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)
(1) $N_2O_5 + H_2O \to 2HNO_3$
Phản ứng hóa hợp
(2) $BaO + H_2O \to Ba(OH)_2$
Phản ứng hóa hợp
b)
HNO3 : Axit nitric(Axit)
Ba(OH)2 : Bari hidroxit(Bazo)
1. \(N_2O_5+H_2O\rightarrow2HNO_3\)
2. \(BaO+H_2O\rightarrow Ba\left(OH\right)_2\)
⇒ Pư hóa hợp.
\(2KClO_3-^{t^o}>2KCl+3O_2\) phản ứng phân hủy
\(3Fe+2O_2-^{t^o}>Fe_3O_4\) phản ứng hóa hợp
\(2Al+6HCl->2AlCl_3+3H_2\) phản ứng thế
Zn + 2HCl → ZnCl2 + H2
2H2 + O2 → 2H2O
2KClO3 ---to→ 2KCl + 3O2
2Al + 3H2SO4 → Al2(SO4)3 + 3H2
CuO + H2 → Cu + H2O
\(2K+2H_2O\rightarrow2KOH+H_2\) (pư thế)
\(4Al+3O_2\underrightarrow{t^o}2Al_2O_3\) (pư hóa hợp)
\(2Fe_xO_y+\dfrac{3x-2y}{2}O_2\underrightarrow{t^o}xFe_2O_3\) (pư hóa hợp)
\(2KMnO_4\underrightarrow{t^o}K_2MnO_4+MnO_2+O_2\) (pư phân hủy)
\(2K+2H_2O\rightarrow2KOH+H_2:Phảnứngthế\\ 4Al+3O_2-^{t^o}\rightarrow2Al_2O_3:Phảnứnghóahợp\\2Fe _xO_y+\dfrac{3x-2y}{2}O_2\rightarrow xFe_2O_3:Phảnứnghóahợp\\ 2KMnO_4-^{t^o}\rightarrow K_2MnO_4+MnO_2+O_2:Phảnứngphânhủy\)
Bài 1: Hoàn thành các phương trình phản ứng sau và cho biết chúng thuộc loại phản ứng hóa học nào?
……..+ ………..
MgO format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2226%22%3E%26%23xF20B%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%229.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2215.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2221.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2227.5%22%20y%3D%2226%22%3E%26%23xF200%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
... + H2format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2212%22%20font-style%3D%22italic%22%20text-anchor%3D%22middle%22%20x%3D%2214.5%22%20y%3D%2213%22%3Et%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2226%22%3E%26%23xF20B%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%229.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2215.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2221.5%22%20y%3D%2226%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2227.5%22%20y%3D%2226%22%3E%26%23xF200%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
H2Oformat('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%223.5%22%20y%3D%2216%22%3E%26%23xF20B%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%229.5%22%20y%3D%2216%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2215.5%22%20y%3D%2216%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2221.5%22%20y%3D%2216%22%3E%26%23x23AF%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22horizontal225a4f6397f19c438fc1d%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2227.5%22%20y%3D%2216%22%3E%26%23xF200%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
Al2(SO4)3 + ...
3Fe + 2O2 -t--> Fe3O4 (phản ứng Hóa Hợp )