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CH3-CH(OH)-CH2-CH3= CH3-CH=CH-CH3+H2O дегидратация
решение во вложении::: https://ru-static.z-dn.net/files/df2/b2dfee7a2a3de2738f508139acd2344a.jpgи
2Fe+3Cl2=2FeCl3
FeCl3+3NaOH=Fe(OH)3+3NaCl
2Fe(OH)3=Fe2O3+3H2O
Fe2O3+2Al=Al2O3+2Fe
Fe+2HCl=FeCl2+H2
FeCl2+2KOH=2KCl+Fe(OH)2
Fe(OH)2=FeO+H2O
3FeO+2Al=Al2O3+3Fe
2Na+O2=Na2O2
<span>2Na2O2=2Na2O+O2 </span>
<span>Na2O+H2O=2NaOH
</span>2NaOH+H2CO3=Na2CO3+2H2O
<span>Na2CO3+CO2+H2O=2NaHCO3
</span>NaHCO3+HNO3=NaNO3+H2O+CO2
<span>2NaNO3=2NaNO2+O2
</span>
Si + O2=SiO2
SiO2+2NaOH=Na2SiO3+H2O
Na2SiO3+2HCl=H2SiO3+2NaCl
H2SiO3=SiO2+H2O
<span>SiO2+2C=2CO+Si
</span>Si+Mg=Mg2Si
<span>Mg2Si+4H2O=Mg(OH)2+SiH4</span>