Question

balance pb(No3)2 (S)-heat--> Pbo(s)+No2(g)+ O2 (g)

Answer 1

2 PB(NO3)2 = 2 PBO + 4 NO2 + O2 ( balance equation)

Answer 2

2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
This is the balanced equation of given equation.