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1) Na2O + H2O \(\rightarrow\)2NaOH
2) 2NaOH+ SO2 \(\rightarrow\)Na2SO3 + H2O
3) Na2SO3 + H2SO4\(\rightarrow\) Na2SO4 + H2O+ CO2
4)SO2 + 2KOH \(\rightarrow\)K2SO3 + H2O
\(1\\ 2Al\left(OH\right)_3\rightarrow\left(t^o\right)Al_2O_3+3H_2O\\ 2\\ Al_2O_3+3H_2SO_4\rightarrow Al_2\left(SO_4\right)_3+3H_2O\\ Al_2\left(SO_4\right)_3+3BaCl_2\rightarrow3BaSO_4+2AlCl_3\)
(1) CaC2 + 2H2O => C2H2 + Ca(OH)2
(2) C2H2 + H2 => (to,Pd) C2H4
(3) C2H4 + H2O => (to,H2SO4đ) C2H5OH
(4) C2H5OH + O2 => (men giấm) CH3COOH + H2O
(5) CH3COOH + C2H5OH => <pứ hai chiều> (xt:H2SO4đ, to) CH3COOC2H5 + H2O
\(\left(1\right)CaC_2+2H_2O\rightarrow Ca\left(OH\right)_2+C_2H_2\)
\(\left(2\right)C_2H_2+H_2\xrightarrow[to]{Ni}C_2H_4\)
\(C_2H_4+2H_2O\xrightarrow[30-35^oC]{men.rượu}C_2H_5OH+H_2O\)
\(C_2H_5OH+O_2\xrightarrow[men.giấm]{30-35^oC}CH_3COOH+H_2O\)
\(C_2H_5OH+CH_3COOH\xrightarrow[\leftarrow]{H_2SO_4đ,t^o}CH_3COOC_2H_5+H_2O\)
`(1)FeO + H_2SO_4 -> FeSO_4 + H_2O`
`(2)FeSO_4 + Ba(OH)_2 -> Fe(OH)_2 + BaSO_4`
`(3)Fe(OH)_2 -> (t^o, chân.không) FeO + H_2O`
`(4)FeO + 2HCl -> FeCl_2 + H_2O`
1) Al\(_2\)(SO\(_4\))\(_3\)+3BaCl\(_2\)→2AlCl\(_3\)+3BaSO\(_4\)↓
2)AlCl\(_3\)+3AgNO\(_3\)→Al(NO\(_3\))\(_3\)+3AgCl↓
3)Al(NO\(_3\))\(_3\)+3NaOH→Al(OH)\(_3\)+3NaNO\(_3\)
4)2Al(OH)\(_3\)\(\underrightarrow{to}\)Al2O3+3H2O
5)2Al2O3\(\xrightarrow[criolit]{đpnc}\)4Al+3O2
CaO+H2O---->Ca(OH)2
Pt2 ko ổn lw
Na2CO3+2HCl----->2NaCl+H2O+CO2
2NaCl+H2SO4---->Na2SO4+2HCl
Na2SO4+BaCl2---->2NaCl+BaSO4
2NaCl+2H2O---->Cl2+H2+2NaOH
NaOH+HCl----->NaCl+H2O
2NaCl+H2SO4---->Na2SO4+2HCl
$(C_6H_{10}O_5 + nH_2O \xrightarrow{t^o,xt} n C_6H_{12}O_6$
$C_6H_{12}O_6 \xrightarrow{t^o,xt} 2CO_2 + 2C_2H_5OH$
$C_2H_5OH + O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O$
$CH_3COOH + NaOH \to CH_3COONa + H_2O$
$CH_3COONa + NaOH \xrightarrow{t^o,CaO} CH_4 + Na_2CO_3$