M
mattsharp05
Guest
using the oxidation number method to balance the following reactions. Indicate the total number of electrons transferred in reaction, if necessary add either H+ ions or OH- ions, and H2O molecules to balance each
Cr2O3 + Al= Cr + Al2O3
MnO4- + SnO2(2-)= MnO2 + SnO3(2-)
Cl- + MnO2= Cl2 + MnCl2
As + NO3-= As2O5 + NO
Cr2O3 + Al= Cr + Al2O3
MnO4- + SnO2(2-)= MnO2 + SnO3(2-)
Cl- + MnO2= Cl2 + MnCl2
As + NO3-= As2O5 + NO