1) 4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
H3PO4+3KOH=K3PO4+3H2O
2K3PO4+3BaI2=6KI+Ba3(PO4)2
2) 4Al+3O2=2Al2O3
Al2O3+6HCl=2AlCl3+3H2O
2Al+3Cl2=2AlCl3
AlCl3+3KOH=Al(OH)3↓+3KCl
Al(OH)3+KOH=K[Al(OH)4]
2Al(OH)3=Al2O3+3H2O
Al2O3+3H2SO4=Al2(SO4)3+3H2O
Al2(SO4)3+3BaBr2=2AlBr3+3BaSO4↓
Ююю............................ю.ю.........ю.................юююююююю.....................юююююююююююююююююююю..................................................
2Al+3I2=2AlI3
Al+At не существует
4SiO+O2=2Si2O3
Не существует
<span>N2 + 3H2 = 2NH3 </span>
<span>NH3 + H2O = NH4OH</span>
<span>3NH4OH + H3PO4 = (NH4)3PO4 + 3H2O</span>
<span> C + 2H2 = CH4(гидрирование) </span>
<span>СН4+2О2=СО2+2Н2О</span>
<span> CO2+MgO = MgCO3</span>
<span> MgCO3 = CO2+MgO</span>
<span>ЦЕПОЧКА:</span>
<span>1) N2</span>
<span>2) H2O</span>
<span>3) H3PO4 </span>
<span>1) H2</span>
<span>2) 2O2</span>
<span>3) MgO</span>
<span>4) </span><span>MgCO3 + H2O + СO2 = Mg(HCO3)2
5) Mg(HCO3)2 = MgCO3(осадок) + H2O + CO2 </span>