Question

Срочно, помогите с химией

Answer 1

2Na+H2SO4=Na2SO4+H2↑

2K+H2SO4=K2SO4 + H2↑

Hg+H3PO4≠

Zn+H2SO4=ZnSO4 + H2↑

Ca+2HCl=CaCl2+H2↑

2Al+6HBr=2AlBr3 + 3H2↑

2Al+3H2SO4=Al2(SO4)3+3H2↑

2Na+H2S=Na2S+H2↑

Ca+H2S=CaS+H2↑

2Al+6HCl=2AlCl3+3H2↑

P+O2=P2O5

Ca+O2=CaO

2Na+H2=2NaH

Mg+H2=MgH2