3. A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of 0.1M Fe(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 0.1M Zn(NO3)3 as the other half-cell. The measured cell potential is less than zero when the positive teminal of the voltmeter is attached to the zinc strip and the negative terminal is attached to the iron strip. Which half-cell is the anode (Fe or Zn)? Which half-cell is the cathode?
3. A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of 0.1M Fe(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 0.1M Zn(NO3)3 as the other half-cell. The measured cell potential is less than zero when the positive teminal of the voltmeter is attached to the zinc strip and the negative terminal is attached to the iron strip. Which half-cell is the anode (Fe or Zn)? Which half-cell is the cathode?
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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Which half -cell is the cathode ?
Transcribed Image Text:3. A student constructs a galvanic cell that has a strip of iron metal immersed in a solution of
0.1M Fe(NO3)2 as one half-cell and a strip of zinc metal immersed in a solution of 0.1M Zn(NO3)a
as the other half-cell. The measured cell potential is less than zero when the positive teminal of
the voltmeter is attached to the zinc strip and the negative terminal is attached to the iron strip.
Which half-cell is the anode (Fe or Zn)?
Which half-cell is the cathode?
rade
Do the electrons flow from Zn to Fe or Fe to Zn?
Which metal is more "active" Zn or Fe?
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