Calculate ΔG° for each of the reactions below in kJ.

Question

(a) Sn(s) and Pb2+(aq)
(b) Cr(s) and Cu2+(aq)

Answer 1

Look up Sn(s) ==> Sn^2+ + 2e and
Pb^2+ + 2e ==> Pb(s)
add them to find Ecell.
Then dGo = -nFEcell.
Post your work if you get stuck.