Consider the voltaic cell below. Voltmeter Zn Co Salt bridge 1 M Co 2+ Part 1: (a) In which direction do (b) In which half-cell does reduction occur? (c) In which half-cell do electrons flow in the external electrons leave the cell? circuit? from left to right on the left the right half-cell from right to left on the right the left half-cell neither neither neither (e) Which electrode is positively charged? (d) At which electrode are electrons generated? (f) Which electrode increases in mass during cell operation? zinc electrode zinc electrode zinc electrode cobalt electrode cobalt electrode cobalt electrode neither neither neither (i) For which electrode could (j) In which direction do cations within the you use an inactive material? salt bridge move to maintain charge neutrality? zinc electrode from left to right cobalt electrode from right to left neither neither Part 2 out of 2 (k) Write the balanced half-reactions and an overall cell reaction below. Be sure to include states of matter. 2+ Reduction half-reaction: Co (s) Co (aq) +2e 2+ Oxidation half-reaction: Zn (ag)+2e →Zn (s) 2+ Overall reaction: Co (s) +Zn (ag)→Co +Zn (s) 2+
Consider the voltaic cell below. Voltmeter Zn Co Salt bridge 1 M Co 2+ Part 1: (a) In which direction do (b) In which half-cell does reduction occur? (c) In which half-cell do electrons flow in the external electrons leave the cell? circuit? from left to right on the left the right half-cell from right to left on the right the left half-cell neither neither neither (e) Which electrode is positively charged? (d) At which electrode are electrons generated? (f) Which electrode increases in mass during cell operation? zinc electrode zinc electrode zinc electrode cobalt electrode cobalt electrode cobalt electrode neither neither neither (i) For which electrode could (j) In which direction do cations within the you use an inactive material? salt bridge move to maintain charge neutrality? zinc electrode from left to right cobalt electrode from right to left neither neither Part 2 out of 2 (k) Write the balanced half-reactions and an overall cell reaction below. Be sure to include states of matter. 2+ Reduction half-reaction: Co (s) Co (aq) +2e 2+ Oxidation half-reaction: Zn (ag)+2e →Zn (s) 2+ Overall reaction: Co (s) +Zn (ag)→Co +Zn (s) 2+
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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Please answer Part 2. Thank you.
Transcribed Image Text:Consider the voltaic cell below.
Voltmeter
Zn
Co
Salt bridge
1 M Co 2+
Part 1:
(a) In which direction do
(b) In which half-cell does reduction occur? (c) In which half-cell do
electrons flow in the external
electrons leave the cell?
circuit?
from left to right
on the left
the right half-cell
from right to left
on the right
the left half-cell
neither
neither
neither
(e) Which electrode is positively charged?
(d) At which electrode are
electrons generated?
(f) Which electrode increases
in mass during cell
operation?
zinc electrode
zinc electrode
zinc electrode
cobalt electrode
cobalt electrode
cobalt electrode
neither
neither
neither
(i) For which electrode could (j) In which direction do cations within the
you use an inactive material? salt bridge move to maintain charge
neutrality?
zinc electrode
from left to right
cobalt electrode
from right to left
neither
neither
Transcribed Image Text:Part 2 out of 2
(k) Write the balanced half-reactions and an overall cell reaction below. Be sure to include states of
matter.
2+
Reduction half-reaction: Co (s) Co (aq) +2e
2+
Oxidation half-reaction: Zn (ag)+2e →Zn (s)
2+
Overall reaction: Co (s) +Zn (ag)→Co +Zn (s)
2+
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