Question

Se dau urmatoarele metale;Sodiu,Mg,Ca,Al,Fe.Scrieti ecuatia reactiilor cu urmatoarele elemente;S,O2,N2,Cl,Br2.

Answer 1

2Na + S --> Na2S
Mg + S --> MgS
Ca + S --> CaS
2Al + 3S --> Al2S3
2Fe + 3S --> Fe2S3
2Na + O2 -->Na2O
2Mg + O2 --> 2MgO
2Ca + O2 --> 2CaO
4Al + 3O2 --> 2Al2O3
4Fe + 3O2 --> 2Fe2O3
6Na + N2 -->2Na3N
3Mg + N2 --> Mg3N2
3Ca + N2 --> Ca3N2
2Al + N2 --> 2AlN
2Fe + N2 --> 2FeN
2Na + Cl2 --> 2NaCl
Mg + Cl2 --> MgCl2
Ca + Cl2 --> CaCl2
2Al + 3Cl2 --> 2AlCl3
2Fe + 3Cl2 --> 2FeCl3
2Na + Br2 --> 2NaBr
Mg + Br2 --> MgBr2
Ca + Br2 --> CaBr2
2Al + 3Br2 --> 2AlBr3
2Fe + 3Br2 --> 2FeBr3