Расставьте коэффициенты: H2+N2=NH3, Al+Cl=AlCl3, Zn+O2=ZnO, Fe+Cl2=FeCl3, Al+S=Al2S3, Ag+s=Ag2S, Mg+O2=MgO, C+O2=CO2, Ca+I2=CaI2, P+Cl2=PCl3, Na+Cl2=NaCl, C+H2=CH4, H2S+O2=S+H2O, MnO+H2=H2O+Mn

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Ответы и объяснения

2012-12-08T12:26:52+00:00

3H2+N2=2NH3, 2Al+3Cl2=2AlCl3, 2Zn+O2=2ZnO, 2Fe+3Cl2=2FeCl3, 2Al+3S=Al2S3, 2Ag+s=Ag2S, 2Mg+O2=2MgO, 2C+O2=CO2, Ca+СI2=CaСI2, 2P+3Cl2=2PCl3, 2Na+Cl2=2NaCl, C+2H2=CH4, 2H2S+O2=2S+2H2O, MnO+H2=H2O+Mn

   
2012-12-08T13:03:52+00:00

1)N2+3H2=2NH3

2)AL+3CL=ALCL3

3) O2+2Zn=2ZnO

4) 3CL2+2FE=2FECL3

5) 2AL+3S=AL2S3

6) S+2Ag=Ag2S

7) 2Mg+02=2MgO

8) O2+C(графит)=CO2

9) CA+I2=CAI2

10) 3CL2+2P=2PCL3

11)CL2+2Na=2NaCl

12) C+2H2=CH4

13) 2H2S+O2=2S(осадок)+2H20

14)3H2+Mn2O3=3H2O+2Mn