Solve sub-question e and g

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Solve sub-question e and g
1.
This question is about the redox reaction involving the half equations:
Zn2+ + 2e = Zn
E° = - 0.76 volts
Cu2+ + 2e- = Cu
E® = + 0.34 volts
а.
Draw a labelled diagram of a cell formed from copper, zinc and suitable
solutions.
b. Write an equation to show the overall reaction occurring when a current is drawn
from this cell.
с.
Which of the two metals, zinc or copper, is the more reactive?
d. How is this apparent from the E° values above?
е.
Which metal is losing electrons?
f.
How does this fit with the term OIL RIG?
g. The electrode potential (E° value) for the copper half cell was found by combining
it with a standard hydrogen electrode. Draw a fully labelled diagram to show
how this would be done.
Transcribed Image Text:1. This question is about the redox reaction involving the half equations: Zn2+ + 2e = Zn E° = - 0.76 volts Cu2+ + 2e- = Cu E® = + 0.34 volts а. Draw a labelled diagram of a cell formed from copper, zinc and suitable solutions. b. Write an equation to show the overall reaction occurring when a current is drawn from this cell. с. Which of the two metals, zinc or copper, is the more reactive? d. How is this apparent from the E° values above? е. Which metal is losing electrons? f. How does this fit with the term OIL RIG? g. The electrode potential (E° value) for the copper half cell was found by combining it with a standard hydrogen electrode. Draw a fully labelled diagram to show how this would be done.
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