2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing HIO(aa) at a concentration of 4.27 x 10 Mand Ig(s) with a H concentration of 1.63 x 10 M. The other haif cell is comprised of a Pt electrode in a solution containing Croz(s) and C(a) at a concentration of 5.05 x 10 M with a H* concentration of 1.58 x 10 M. The temperature of the cel is 301.2 K (a) What is Ecati (in V)? Report your answer to three decimal places in standard notation (e, 0.123 V). (b) Which one of the following chemical reactions describes the process occurring in the electrochemical cel? O Iy(4) + 2Cro(s) + 6H (aq) 2HIO(aa) + 20(a0) + 2H,OU) O 31ats) + 6Cro,(e) + 12HO() + 12H"(an) - GHIO(aa) + 6c"(a4) + 6H,0(1) O 2HIO(aa) + 20 (an)+ 2H,0(1) (s) - 200;(s) 6H"(a4) O GHIO(aa) 6c"(a)+ 6H,0(0)- 3ls)+ 6Cr0,(4) + 12H,01) + 12H(aa) (c) What is AG (in k/mol)? Report your answer to three significant figures in scientific notation (i.e, 1.23e2 kl/mol). Gutmi Anwer Tries 0/99
2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing HIO(aa) at a concentration of 4.27 x 10 Mand Ig(s) with a H concentration of 1.63 x 10 M. The other haif cell is comprised of a Pt electrode in a solution containing Croz(s) and C(a) at a concentration of 5.05 x 10 M with a H* concentration of 1.58 x 10 M. The temperature of the cel is 301.2 K (a) What is Ecati (in V)? Report your answer to three decimal places in standard notation (e, 0.123 V). (b) Which one of the following chemical reactions describes the process occurring in the electrochemical cel? O Iy(4) + 2Cro(s) + 6H (aq) 2HIO(aa) + 20(a0) + 2H,OU) O 31ats) + 6Cro,(e) + 12HO() + 12H"(an) - GHIO(aa) + 6c"(a4) + 6H,0(1) O 2HIO(aa) + 20 (an)+ 2H,0(1) (s) - 200;(s) 6H"(a4) O GHIO(aa) 6c"(a)+ 6H,0(0)- 3ls)+ 6Cr0,(4) + 12H,01) + 12H(aa) (c) What is AG (in k/mol)? Report your answer to three significant figures in scientific notation (i.e, 1.23e2 kl/mol). Gutmi Anwer Tries 0/99
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section17.6: E⁰cell, Gibbs Free Energy, And K⁰
Problem 17.7PSP
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please explain and answer all parts or better to leave it
Transcribed Image Text:Answer the following questions related to following electrochemical cell.
2HIO(aq) + 2H*(aq) + 2e = 12(s) + 2H20(1)
E° = 1.439 V
Cro2(s) + 4H*(aq) + e= Cr*(aq) + 2H20(1)
E°
= 1.480 V
Transcribed Image Text:2. Consider the electrochemical cell where one of the half cells is comprised of a Pt electrode in a solution containing HIOlaa) at a concentration of 4.27 10 M and I(s) with aH concentration of 1.63 x 10
M. The other haif cell is comprised of a Pt electrode in a solution containing Cro;(s) and Cr(aa) at a concentration of 5.05 x 10 M with a H concentration of 1.58 x 10 M. The temperature of the cell is
301.2 K.
fal
(a) What is Ecati (in V)? Report your answer to three decimal places in standard notation (e. 0.123 V).
(6) Which one of the following chemical reactions describes the process occurring in the electrochemical cel?
O ly(4) + 2Cro(s) + 6H (ag) 2HIO(aa) + 20(a0) + 2H00)
O 31ats) + 6Cro,te) + 12HO() + 12H"(a0) - GHIO(a) + 6c"(a4) + 6H,0(1)
O 2HIO(aa) + 2c"(ag) + 2H,01y (s) - 20o;(s) • 6H* (a4)
O GHIO(aa) + 6C(an) + 6H,0() 3l(s) + 6C0;(4) + 12H,01) + 12H*(aa)
(c) What is AG (in k/mol)? Report your answer to three significant figures in scientific notation (i.e, 1.23e2 k/mol).
GutmitAnswar Tries 0/99
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