1. ?AL+?S->AL2S3 2.H2+CL2->?HSI 3.C+?H2->CH4 4.?Na+S->Na2S 5.?Mg+N2->Mg3N2

Question

1. ?AL+?S->AL2S3

2.H2+CL2->?HSI

3.C+?H2->CH4

4.?Na+S->Na2S

5.?Mg+N2->Mg3N2

Answer 1

1 2Al + 3S →Al2S3
2 H2+ Cl2 → 2 HCl

3 C + 2H2→ CH4
4 2Na + S →Na2S

5 3 Mg + N2  →Mg3N2

Answer 2

2АL+3S=Al2S3

H2+Cl2=2HCl

C+2H2=CH4

2Na+S=Na2S

3Mg+N2=Mg3N2