Задание 1
А) 2Al+3S=Al2S3
Б)N2+3H2=2NH3
B)Fe2O3+2Al=2Fe+Al2O3
Г)PbO2=Pb+O2
Д)Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
E)2Fe(OH)3+3H2SO4=Fe2(SO4)3+6H2O
Задание 2
1.P2O5+3H2O=2H3PO4
2.6HCl+2Al=2AlCl3+3H2
3.3AgNO3+FeCl3=3AgCl+Fe(NO3)3
4.2Al(OH)3=Al2O3+3H2O
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Answers & Comments
Задание 1
А) 2Al+3S=Al2S3
Б)N2+3H2=2NH3
B)Fe2O3+2Al=2Fe+Al2O3
Г)PbO2=Pb+O2
Д)Ca(OH)2+2HNO3=Ca(NO3)2+2H2O
E)2Fe(OH)3+3H2SO4=Fe2(SO4)3+6H2O
Задание 2
1.P2O5+3H2O=2H3PO4
2.6HCl+2Al=2AlCl3+3H2
3.3AgNO3+FeCl3=3AgCl+Fe(NO3)3
4.2Al(OH)3=Al2O3+3H2O