How to calculate Q in Nernst Equations, we used 0.10M solutions in all of our half cells.

Question

Nernst equation:

Ecell = E0cell - RT/nF ln Q

Overall reactions:
Cu(s) + Pb2+(aq) ~ Cu2+(aq) + Pb(s)

and

3Pb(s) + 2Al3+ ~ 3Pb2+ 2Al(s)

Thank you!