It appears you typed something wrong.
3 Pb(C2H3O2)4+ 4KH2PO4 -->Pb3(PO4)4 +4 CH3CO2K + 8HC2H3O2
by the way --- C2H3O2 andCH3CO2 are the same, just written in a different way. They are acetate ions with hydrogen it becomesacetic acid.
cl2o7+h2o
liho+h2s=
no
P + Na(OH) + H20 = NaH2PO2 + PH3
2 PbO + C -> 2 Pb + CO2
The balance is 2N2 +2O2= 4NO
2h2s + so2 ----------> 3s + 2h2o
cl2o7+h2o
4Li + O2 -> 2Li2O
2Al+3S--->Al2S3
Ca(SO3)
Already balanced
If you do a Trial Balance and your Credits Equal your Debits, then more than likely your books are correct.In double entry accounting the debits and credits must balance or be equal.
It is already balanced
equilibrium
3h2 + n2 ==> 2nh3
2 Ca + 2O2 = 2(CaO2)