Will someone balance these formulas please

And if you know a shortcut to doing this besides trial and error please share it.

NH3 + H2SO4----> (NH4)2SO4
C5H9O + O2------> CO2 + H2O
Pb + H3PO4 -----> H2 +Pb3(PO4)2
Li3N + NH4NO3 -----> LiNO3 + (NH4)3N


All the numbers are subscripts

1)
2 NH3 + H2SO4 --> (NH4)2SO4

2)
4 C5H9O + 27 O2 --> 20 CO2 + 18 H2O

3)
3 Pb + 2 H3PO4 --> 3 H2 + Pb3(PO4)2

4)
Li3N + 3 NH4NO3 --> 3 LiNO3 + (NH4)3N

enter your problems here and it will do them for you


http://www.webqc.org/balance.php?reactio…
use this for doing