What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below? Al(s) Ap+ (aq) 1 Cu2+(aq) Cu(s) * - O 3 Cu(s) + 2 A+ (aq) -- 3 Cu2+(aq) + 2 Al(s) O2 Al(s) + 3 Cu2+ (aq) + 2 A8+ (aq) + 3 Cu(s) 3 Al(s) + 2 Cu2(aq) - 3 Al3+ (aq) + 2 Cu(s) O 2 Cu(s) + 3 Al3+(ad) - 2 Cu2+ (aq) + 3 Al(s)