Hg(NO3)2+Na2S=HgS+2NaNO3
Hg+2NO3+2Na+S=HgS+2Na+2NO3
Hg+S=HgS
PBCl2+2NaOH=2NaCL+Pb(OH)2
Pb+2CL+2Na+2OH=2Na+2CL+Pb(OH)2
Pb+2OH=Pb(OH)2
2HNO3+Ba(OH)2=2H2O+Ba(NO3)2
2H+2NO3+Ba+2OH=2H2O+Ba+2NO3
H+OH=H2O
N2O5+H2O=2HNO3
Hg(NO3)2+Na2S=HgS+2NaNO3
Hg+2NO3+2Na+S=HgS+2Na+2NO3
Hg+S=HgS
PBCl2+2NaOH=2NaCL+Pb(OH)2
Pb+2CL+2Na+2OH=2Na+2CL+Pb(OH)2
Pb+2OH=Pb(OH)2
2HNO3+Ba(OH)2=2H2O+Ba(NO3)2
2H+2NO3+Ba+2OH=2H2O+Ba+2NO3
H+OH=H2O
N2O5+H2O=2HNO3