Question

help me friends I need this answers.....
who knows well chemistry​

Answer 1

1. 2 Al + 3 H2So4 → Al2(SO4)3 + 3 H2

2,(a).  CuSO4 + NH3 → [Cu(NH3)4]SO4

2,(b). CuSO4 + NH3 + H2O → (NH4)2*SO4 + Cu(OH)2

{ That,s the Correct Balanced Equation}

3.  C2H6 + O2 → CO2 +H2O

4. 2 C4H10 + 8 O2 → 8 CO2 + H20

5. FeS2 + O2 = Fe2O3 + SO2