Zn + CuCl2 → ZnCl2 + Cu
3CuCl + 2Al → 3Cu + 2AlCl3
Mg + 2AgNO3 → 2Ag + Mg (NO3)2
d. For the three reactions that are demonstrated, describe each in as much detail as possible. Include any added catalysts and/or nonreactive substances and provide each of their functions to the reactions. Where possible indicate whether the reaction is endothermic or exothermic.