For each of the following reactions indicate which substance is oxidized and which reduced. Which substance is the oxidizing agent and which is the reducing agent?
2Al(s) + 3Cl2(g) ----> 2AlCl3(s)
8H+(aq) + MnO4-(aq) +5Fe2+(aq) ----> 5Fe3+(aq) +Mn2+(aq) + 4H2O(l)
FeS(s) + 3NO3-(aq) + 4H+(aq) ----> 3NO(g) + SO42-(aq) +2H2O(l)