How to balance Pb(NO3) -----> PbO + NO2 + O2
2Pb(NO3)2 -----> 2PbO + 4NO2 + O2 as posted by your friends.
(Note that nitrate has subsscript 2)
Kindly refer to the following link for step by step process for balancing equations.
https://www.meritnation.com/ask-answer/question/please-explain-me-balancing-of-chemical-equations/chemical-reactions-and-equations/7358027
(Note that nitrate has subsscript 2)
Kindly refer to the following link for step by step process for balancing equations.
https://www.meritnation.com/ask-answer/question/please-explain-me-balancing-of-chemical-equations/chemical-reactions-and-equations/7358027