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

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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: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
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
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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