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

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.