Consider the reaction Cr₂O72-(aq) + I¯(aq) → Cr³+ (aq) + 1₂ (s). (a) Balance this equation assuming the reaction occurs in acidic solution. (Include states-of-matter under the given conditions in your answer.) chemPad X₁X² → Greek Help Cr₂O2 (aq)+14H+ (aq) +61 → 2Cr³+ (aq) +31₂(s)+7H₂O(l) Cr_20_7^2-(aq)+14H^+ (aq) +61^>2Cr^3+(aq)+31_2(s)+7H_20(1) Your answer appears to be missing one or more states-of-matter. (b) Using standard reduction potentials, calculate the Ecell, AGO, and K for the reaction at 298.15 K. Ecell = V J AG° = K = (Use 298.15 as the temperature and round answer to two significant figures) 12 Tutorial (c) Calculate the cell potential if [I] = 3.59x10-3 M, [Cr₂O72- ] = 2.37x10-2 M, [H+] = 2.29x10-3 M, and [Cr3+] = 4.38×10-2 M. V
Consider the reaction Cr₂O72-(aq) + I¯(aq) → Cr³+ (aq) + 1₂ (s). (a) Balance this equation assuming the reaction occurs in acidic solution. (Include states-of-matter under the given conditions in your answer.) chemPad X₁X² → Greek Help Cr₂O2 (aq)+14H+ (aq) +61 → 2Cr³+ (aq) +31₂(s)+7H₂O(l) Cr_20_7^2-(aq)+14H^+ (aq) +61^>2Cr^3+(aq)+31_2(s)+7H_20(1) Your answer appears to be missing one or more states-of-matter. (b) Using standard reduction potentials, calculate the Ecell, AGO, and K for the reaction at 298.15 K. Ecell = V J AG° = K = (Use 298.15 as the temperature and round answer to two significant figures) 12 Tutorial (c) Calculate the cell potential if [I] = 3.59x10-3 M, [Cr₂O72- ] = 2.37x10-2 M, [H+] = 2.29x10-3 M, and [Cr3+] = 4.38×10-2 M. V
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 120QRT
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Question
![Consider the reaction Cr₂O72-(aq) + I¯(aq) → Cr³+ (aq) + 1₂(s).
(a) Balance this equation assuming the reaction occurs in acidic solution. (Include states-of-matter under the given conditions in your answer.)
chemPad
Help
XX ->>
Cr₂O2(aq)+14H+ (aq) +61-
Cr_20_7^2-(aq)+14H^+(aq)+61^--->2Cr^3+(aq)+31_2(s)+7H_20(1)
Your answer appears to be missing one or more states-of-matter.
(b) Using standard reduction potentials, calculate the Ecell, AGO, and K for the reaction at 298.15 K.
Ecell
=
AG° =
K =
Greek
123 Tutorial
2Cr3+ (aq)+31₂(s)+7H₂O(1)
V
J
(Use 298.15 as the temperature and round answer to two significant figures)
(c) Calculate the cell potential if [I] = 3.59x10-3 M, [Cr₂O72- ] = 2.37x10-2 M, [H+] = 2.29x10-3 M, and [Cr³+] = 4.38 x 10-2 M.
V](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd7da5ced-835a-4469-b9a2-1ac4ab449680%2F3f5586d9-38ab-42e2-b91f-6adaec8cbbc6%2Fagmz8me_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the reaction Cr₂O72-(aq) + I¯(aq) → Cr³+ (aq) + 1₂(s).
(a) Balance this equation assuming the reaction occurs in acidic solution. (Include states-of-matter under the given conditions in your answer.)
chemPad
Help
XX ->>
Cr₂O2(aq)+14H+ (aq) +61-
Cr_20_7^2-(aq)+14H^+(aq)+61^--->2Cr^3+(aq)+31_2(s)+7H_20(1)
Your answer appears to be missing one or more states-of-matter.
(b) Using standard reduction potentials, calculate the Ecell, AGO, and K for the reaction at 298.15 K.
Ecell
=
AG° =
K =
Greek
123 Tutorial
2Cr3+ (aq)+31₂(s)+7H₂O(1)
V
J
(Use 298.15 as the temperature and round answer to two significant figures)
(c) Calculate the cell potential if [I] = 3.59x10-3 M, [Cr₂O72- ] = 2.37x10-2 M, [H+] = 2.29x10-3 M, and [Cr³+] = 4.38 x 10-2 M.
V
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