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Please answer the 4 questions . I will reward all points to who ever is right, a

ID: 832995 • Letter: P

Question

Please answer the 4 questions. I will reward all points to who ever is right, as well as repost it and give another 1,500 points to the same person. Thanks!

Given the following redox reaction: Mg(s) + Fe2+ (aq) rightarrow Mg2 + (aq) + Fe(s) Which of the following statements is True? If the reaction quotient (Q) in the Nernst equation is equal to 1.0 Times 102 then: Using Table 1 on pages 6, calculate the standard cell potential, for the following reaction: 2H + (aq) + 2l (aq) rightarrow l2 (s) + H2(g). is this reaction spontaneous? show your work. Using the half-reaction potential from Table 1 on page 6, calculate the for the Ni - Al cell.

Explanation / Answer

1: E0cell = 2.37 - 0.44 = 1.93 V which is a positive value. Hence Mg can reduce Fe2+. Answer is B

2- Ecell = Eocell - 0.06/2 log(1x102) = Eocell - 0.06 So, Eocell is higher than Ecell. Answer is  C

3: Eocell = 0.00-0.54 = -0.54 V This is a negative value and hence the reaction is non spontaneous

4: Eocell = 1.66-0.25 = 1.41 V