The Student Room Group

Reply 1

hmm...not sure about the exo/endo thermic as i'm on AQA

BUT you can use zinc to displace copper becasue zinc is a STRONGER REDUCING AGENT (loses electrons easily).....and can be used to reduce the copper solution (2+) to just copper metal (0)

Reply 2

are you not given any bond enthalpies?

thats the only way I would know how to do it but I'm only doing AS (CCEA) atm so maybe there is another method.