Hi, I have my exam in a couple of weeks. And I get the jist of it. However their is one question that I am completly stuck on. Any help would be appreciated. Looking over a last years practise text for exam and im having trouble with this. Cu(s) → Cu+(aq) + e ΔH = 602 kJ mol-1 Cu(s) → Cu2+(aq) + 2e ΔH = 795 kJ mol-1 Work out the Heat of Reaction for the following equation and comment on the expected stabilities of Cu+ and Cu2+ ions as predicted from your spdf answers in (d). 2Cu+(aq) → Cu + Cu2+(aq) ΔrH = ????