Part B: The Nernst Equation Write the Nernst equation? for the reaction Cu²* (ag) + Zn (s) → Zn2+ (ag) + Cu (s) Let activity of Cu²+ equal to 1 and change the activity of Zn?* such that Q is in the range – 0.001 to +0.001. Select different values of Q and for each calculate Ecell- Plot Ecell – Eell vs In Q. What is the effect of Q (that is the activity) on Ecell – Eell ? Is the effect the same at higher and lower values of Q? what is the largest value of the absolute difference between cell potential and standard cell potential, |Ecell – Eselll? What do you expect the graph will look like for different number of electron transferred (v )? And why?
Part B: The Nernst Equation Write the Nernst equation? for the reaction Cu²* (ag) + Zn (s) → Zn2+ (ag) + Cu (s) Let activity of Cu²+ equal to 1 and change the activity of Zn?* such that Q is in the range – 0.001 to +0.001. Select different values of Q and for each calculate Ecell- Plot Ecell – Eell vs In Q. What is the effect of Q (that is the activity) on Ecell – Eell ? Is the effect the same at higher and lower values of Q? what is the largest value of the absolute difference between cell potential and standard cell potential, |Ecell – Eselll? What do you expect the graph will look like for different number of electron transferred (v )? And why?
Chapter19: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 82CP
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Transcribed Image Text:Part B: The Nernst Equation
Write the Nernst equation? for the reaction Cu²* (ag) + Zn (s) → Zn2+ (ag) + Cu (s)
Let activity of Cu²+ equal to 1 and change the activity of Zn?* such that Q is in the
range – 0.001 to +0.001. Select different values of Q and for each calculate Ecell-
Plot Ecell – Eell vs In Q. What is the effect of Q (that is the activity) on Ecell – Eell
? Is the effect the same at higher and lower values of Q? what is the largest value
of the absolute difference between cell potential and standard cell potential,
|Ecell – Eselll? What do you expect the graph will look like for different number of
electron transferred (v )? And why?
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