Solution Found!
The left half-reaction of the cell drawn here can be written in either of two ways: (1)
Chapter 13, Problem 13-D(choose chapter or problem)
The left half-reaction of the cell drawn here can be written in either of two ways: (1) (2) The right half-cell reaction is (3) (a) Using Reactions 2 and 3, calculate E and write the Nernst equation for the cell. (b) Use the value of Ksp for AgI to compute [Ag] and find the cell voltage. By the reasoning in Figure 13-8, in which direction do electrons flow? (c) Suppose, instead, that you wish to describe the cell with Reactions 1 and 3. We know that the cell voltage (E, not E ) must be the same, no matter which description we use. Write the Nernst equation for Reactions 1 and 3 and use it to find E in Reaction 1. Compare your answer with the value in Appendix H. Salt bridge + V I (aq) Ag wire coated with Agl(s) Ag(s) Agl(s) Nal (0.10 M) HCI (0.10 M) H2(g, 0.20 bar) Pt(s) Pt H+ (aq) H2(g) in H e 1 2 H2(g) Ag
Questions & Answers
QUESTION:
The left half-reaction of the cell drawn here can be written in either of two ways: (1) (2) The right half-cell reaction is (3) (a) Using Reactions 2 and 3, calculate E and write the Nernst equation for the cell. (b) Use the value of Ksp for AgI to compute [Ag] and find the cell voltage. By the reasoning in Figure 13-8, in which direction do electrons flow? (c) Suppose, instead, that you wish to describe the cell with Reactions 1 and 3. We know that the cell voltage (E, not E ) must be the same, no matter which description we use. Write the Nernst equation for Reactions 1 and 3 and use it to find E in Reaction 1. Compare your answer with the value in Appendix H. Salt bridge + V I (aq) Ag wire coated with Agl(s) Ag(s) Agl(s) Nal (0.10 M) HCI (0.10 M) H2(g, 0.20 bar) Pt(s) Pt H+ (aq) H2(g) in H e 1 2 H2(g) Ag
ANSWER:Step 1 of 3
a)
Oxidation half-reaction:
And the value of
Reduction-half reaction:
And the value of
Since 2 electrons are transferred, then the value of n = 2
The Nernst equation is given as,