Дам 25 баллов!!!!!!Расставьте коэффициенты в схемах химических реакций. 1)AgBr = Ag+Br2

2) K2O+P2O5= K3PO4

3) Al(OH)3+H2SO4=Al2(SO4)3+H2O

4) N2+H2=NH3

5) Fe2O3+ C= Fe+CO2

6) Zn(OH)2+HNO3=Zn(NO3)2+H2O

7)Fe+Cl2=FeCl3

8)Al+H2SO4=Al2(SO4)3+H2

9) CO2+KOH=K2CO3+H2O

10) Mg+N2= Mg3N2

11) Fe2O3+H2=Fe+H2O

12) BaCl2+Na2SO4=BaSO4+NaCl



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