a copper of mass 120g is heated in an enclosure to a temperature of 12.5c. it then taken out bof enclosure and hold in air for a min and dropped carefully into a copper calorimeter of mass 105g containing 200g of water of 20c% the temp of the water rises to 25c. calculate the rate at which heat is boiling from the pieces of copper​

Answerthe half-reaction having the greatest tendency to occur at the anode:     i₂(aq) + 2e⁻  ⇄ 2i⁻  ;   e = +0.53 v======oxidation occurs at the anode. we must therefore find the half-reaction with the greatest tendency to oxidize.the given values of e are reduction potentials (the form of the half-reactions are of reduction).the lower the reduction potential, the higher the potential to oxidize. the half-cell with the lowest reduction potential will have the greatest tendency to oxidize at the anode.the half-reaction having the greatest tendency must be    i₂(aq) + 2e⁻  ⇄ 2i⁻    e = +0.53 vbecause its reduction potential is the lowest out of the three.

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