P + Na(OH) + H20 = NaH2PO2 + PH3
liho+h2s=
cl2o7+h2o
2 PbO + C -> 2 Pb + CO2
I would think -5 plus 5 equals 0.
That would be 90.
Yes it is
2Na + 2H2O -> H2 + 2NaOH
use a better site you dumby and get a life you Elmo
Na2O + H2O ---------> 2NaOH
2Na + 2H2O -------> 2NaOH + H2
Ca(OH)2 + Na2CO3 = CaCO3 + 2 NaOH
2NaOH + FeSO4 --> Fe(OH)2 + Na2SO4
It is already balanced
The balance is 2N2 +2O2= 4NO
An acid-base reaction yielding a salt and water.
HCl + NaOH = H2O + NaCl is already balanced.
2h2s + so2 ----------> 3s + 2h2o