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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Transcribed Image Text:7.3
An electrolysis cell containing CO2 and 0.100 kg of water is run at 1.00
amp for 10 hours. Sixty percent (60%) of the electrons passed go to making oxalate.
What is the molality of oxalate at the end of this experiment?
7.4 (
and obtained a final aqueous solution that only contained the sodium salt of oxalate.
The solution is found to freeze at 264.63 K. What is the molality of oxalate in this
solution? (K = 1.86, Kb= 0.513 for water)
Suppose one carried out an experiment similar to the experiment in 7.3
![In class, we talked about several products that one might electrochemically convert CO2
into as a way to reduce the amount of climate-impacting CO2 in our atmosphere. One
very interesting product that we did not discuss in class is the dianion, oxalate, a
substance formed from two CO2 molecules.
Oxalate dianion
7.1
Write out a balanced half reaction for the formation of oxalate [C2O4]2-
from CO2 in water.
7.2
How many coulombs of electrons are required to reduce 2 moles of CO2 to
oxalate?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3d27d809-bcfd-47ad-93ad-c51ab31b4131%2F2daace6f-e8ca-4dd7-bd7f-fdb3394f906c%2Foob0enf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In class, we talked about several products that one might electrochemically convert CO2
into as a way to reduce the amount of climate-impacting CO2 in our atmosphere. One
very interesting product that we did not discuss in class is the dianion, oxalate, a
substance formed from two CO2 molecules.
Oxalate dianion
7.1
Write out a balanced half reaction for the formation of oxalate [C2O4]2-
from CO2 in water.
7.2
How many coulombs of electrons are required to reduce 2 moles of CO2 to
oxalate?
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