Tác dụng với Oxit bazo
CaO+H\(_2\)O\(\rightarrow\)Ca(OH)\(_2\)
Li\(_2\)O
K\(_2\)O
Na\(_2\)O
BaO
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\(1)\\ a) 4Na + O_2 \xrightarrow{t^o} 2Na_2O\\ b) Zn + 2HCl \to ZnCl_2 + H_2\\ c) CaO + H_2O \to Ca(OH)_2\\ d) SO_3 + H_2O \to H_2SO_4\\ 2)\\ a) 2Ba + O_2 \xrightarrow{t^o} 2BaO\\ b) CuO + H_2 \xrightarrow{t^o} Cu + H_2O\\ c) K + H_2O \to KOH + \dfrac{1}{2}H_2\\ d) CO_2 + H_2O \to H_2CO_3\)
2O2+3Fe-to>Fe3O4
Fe3O4+4H2-to>3Fe+4H2O
2Fe+3Cl2-to>2Fecl3
Fe+2HCl->Fecl2+H2
\(3Fe+2O_2\rightarrow\left(t^o\right)Fe_3O_4\)
\(Fe_3O_4+4H_2\rightarrow\left(t^o\right)3Fe+4H_2O\)
\(Fe+2HCl\rightarrow FeCl_2+H_2\)
\(a) 2CH_4 \xrightarrow{t^o,lln} C_2H_2 + 3H_2\\ C_2H_2 + H_2 \xrightarrow{t^o,Pd} C_2H_4\\ C_2H_4 + H_2 \xrightarrow{t^o,Ni} C_2H_6\\ C_2H_6 + Cl_2 \xrightarrow{as} C_2H_5Cl + HCl\)
`1. 4FeS2 + 11O2→2Fe2O3 + 8SO2
2. 2Cu(NO3)2 → 2CuO + 4NO2+ O2
3. CH4 + 2O2 → CO2 + 2H2O
4. C3H8 + 5O2 → 3CO2 + 4H2O
5. C2H6O + 3O2 → 2CO2 + 3H2O
a: \(SO_3+2NaOH\rightarrow Na_2SO_4+H_2O\)
\(HNO_3+NaOH\rightarrow NaNO_3+H_2O\)
\(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2\downarrow+2HCl\)
\(\left(NH_4\right)_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O+2NH_3\uparrow\)
b: \(SO_3+Ca\left(OH\right)_2\rightarrow CaSO_4+H_2O\)
\(Ca\left(OH\right)_2+2HNO_3\rightarrow Ca\left(NO_3\right)_2+2H_2O\)
\(Ca\left(OH\right)_2+CuCl_2\rightarrow Cu\left(OH\right)_2\downarrow+CaCl_2\)
\(Ca\left(OH\right)_2+\left(NH_4\right)_2SO_4\rightarrow CaSO_4+2NH_3\uparrow+2H_2O\)
a) \(SO_3+2NaOH\rightarrow Na_2SO_4+H_2O\)
\(HNO_3+NaOH\rightarrow NaNO_3+H_2O\)
\(CuCl_2+2NaOH\rightarrow Cu\left(OH\right)_2+2NaCl\)
\(\left(NH_4\right)SO_4+2NaOH\xrightarrow[t^o]{}Na_2SO_4+2NH_3+2H_2O\)
b) \(SO_3+Ca\left(OH\right)_2\rightarrow CaSO_4+H_2O\)
\(2HNO_3+Ca\left(OH\right)_2\rightarrow Ca\left(NO_3\right)_2+2H_2O\)
\(CuCl_2+Ca\left(OH\right)_2\rightarrow Cu\left(OH\right)_2+CaCl_2\)
\(\left(NH_4\right)SO_4+Ca\left(OH\right)_2\underrightarrow{t^o}CaSO_4+2NH_3+2H_2O\)
Bài 1:
H2 + O2 → H2O
N2O5 + H2O → HNO3
Bài 4:
Fe2(SO3)3: Sắt III sunfat
Mg(OH)2: Magie hidroxit
H3PO4: axit photphoric
Ba(HSO4)2: Bari Bisunfat
Bài 1 :
\(a.2H_2+O_2\underrightarrow{^{t^0}}2H_2O\)
\(b.N_2O_5+H_2O\rightarrow2HNO_3\)
Bài 2 :
\(n_{Al}=\dfrac{5.4}{27}=0.2\left(mol\right)\)
\(2Al+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2\)
\(0.2............0.3...........0.1..............0.3\)
\(m_{H_2SO_4}=0.3\cdot98=29.4\left(g\right)\)
\(m_{Al_2\left(SO_4\right)_3}=0.1\cdot342=34.2\left(g\right)\)
\(m_{H_2}=0.3\cdot2=0.6\left(g\right)\)
\(V_{H_2}=0.3\cdot22.4=6.72\left(l\right)\)
Li2O + H2O --->2 LiOH
K2O + H2O ----> 2KOH
Na2O + H2O --> 2NaOH
BaO +H2O --> Ba(OH)2
Li2O + H2O -> 2LiOH
K2O + H2O -> 2KOH
Na2O + H2O -> 2NaOH
BaO + H2O -> Ba(OH)2