how to balance equation NH 4 NO 3 = N 2 O + H 2 O Pb(C 2 H 3 O 2 ) 2 + H 2 S = PbS + HC 2 H 3 O 2

how to balance equation

NH4NO3= N2O + H2O

Pb(C2H3O2)2 + H2S = PbS + HC2H3O2