Consider the following reaction at 298K. Fe2+ (aq) + Ni →→ Fe (s) + Ni²+ (aq) Which of the following statements are correct? Choose all that apply. On = 5 mol electrons O delta G° <0 < 0 E° cell O The reaction is product-favored. OK < 1 Submit Answer Try Another Version 1 item attempt remaini

Consider the following reaction at 298K. Fe2+ (aq) + Ni →→ Fe (s) + Ni²+ (aq) Which of the following statements are correct? Choose all that apply. On = 5 mol electrons O delta G° <0 < 0 E° cell O The reaction is product-favored. OK < 1 Submit Answer Try Another Version 1 item attempt remaini

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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Given the following galvanic cell shown with initial concentrations at 25°C, calculate Ecell after 1.50 hrs of operation at a current of 0.750 A. Assume the solution volume in both half-cells is 1.00 L. (Hint: This is not a concentration cell) Fe(s)│Fe2+(0.10 M)║Fe3+(0.35 M), Fe2+(0.15 M)│Pt(s)
К-5 For the reaction A* +B= A+B* , the standard potential (E°cell) is 1.50 volts. The equilibrium constant K for this reaction at 25°C is: (Hint : K means the system is at equilibrium, in a nonstandard state.) а. 2.4 x 1025 b. 4.0 x 10-26 c. 2.4 x 10205 d. 2.4 x 10-205
eq Preq 1req F2 # 3 LU E D What is the calculated value of the cell potential at 298 K for an electrochemical cell with the following reaction, when the Pb²+ concentration is 8.54 x 10-4 M and the Mg2+ concentration is 1.23 M ? Ecell F3 The cell reaction as written above is Submit Answer $ SA 4 2+ Pb²+ (aq) + Mg(s) → Pb(s) + Mg²+ (aq) R F V V F4 % References] Use the References to access important values if needed for this question. стор T Retry Entire Group G DII Cengage Learning Cengage Technical Support F5 OL Y H F6 9 more group attempts remaining & 7 U ✓for the concentrations given. F7 J OO PrtScn BN M F8 K Home F9 L End F10 Previous PgUp F11 Next Save and Exit 4x10 PgDn 8:28 PM 12/2/2022 F12 1 Ins {
Calculate the Ecell value at 298 K for the cell based on the reaction: Cu(s)+2Ag*(aq) Cu?+(aq) + 2Ag(s) where [Ag*] = 0.00150 M and [Cu2+] = 7.50x10-4 M. The standard reduction potentials are shown below: Ag"(aq) +e - Ag(s) E° = 0.7996 V Cu+ (aq)+ 2e → Cu(s) E° = 0.3419 V
15. Which of the following is true for a reaction that is nonspontaneous as written? A) AG > 0; Eº cell 0 C) AG 0; E° cell > 0 E) AGO > 0; Eºcell = 0
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Practice: Calculate AG˚ for the following reaction. Is it spontaneous? • 2Na + 2H2O H2 + 2OH + 2Na+ AG° AG°=-nFE cell AG° = -RT In K 21500/) | 2e (aq) +2 >₂()+2011 (aq) 0.83 Mn(s) -1.18 A+ (aq) +3e Als) 1.66 Me (aq) + 2e <-Ma(s) -2.37 Na (aq) + e -Na(s) -2.71 K Excell Excell 0.0592 V log K Copyright © 2008 Pearson Prentice Hall Inc -
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