But in these half reactions, we have the plus two E and plus two e.
So this is simply a better way for us to see the movement of electrons. Now, to go back to our net reaction net reduce reaction. What we simply do is we add up the two half reactions. So we add up the two half reactions by first adding up all the molecules on this side and then add up all the molecules on this side. So zinc solid plus acreage copper plus two electrons gives us this produces everything on this side. So zinc or acreage zinc plus copper solid plus our two electrons.