Which half-reaction is most easily reduced? a. al3+ + 3e- al = -1.66 v b. cu2+ + 2e- cu = 0.34 v c. fe3+ + e- fe2+ = 0.77 v d. na+ + e- na = -2.71 v e. pb2+ + 2e- pb = -0.13 v

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.