Formative Assessment 4.4Instruction: Clearly show all the necessary solutions.1. When cadmium metal reduces Cu2+ in solution, Cd2+ forms in addition to coppermetal. Given that AG°= – 142 kJ, calculate Kat 25 °C. What is Eell of a voltaiccell that uses this reaction?2. Consider a voltaic cell based on the following reaction:Fe(s) + Cu(aq) → Fe2*(aq) + Cu(s)If [Cu2+] = 0.3 M, what must [Fe2+] be to increase Ecell by 0.25 V above Erell at25 °C?%3D

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Formative Assessment 4.4 Instruction: Clearly show all the necessary solutions. 1. When cadmium metal reduces Cu2+ in solution, Cd²+ forms in addition to copper metal. Given that AG°= – 142 kJ, calculate Kat 25 °C. What is Ecell of a voltaic - cell that uses this reaction? 2. Consider a voltaic cell based on the following reaction: Fe(s) + Cu(aq) + Fe2*(aq) + Cu(s) If [Cu2*] = 0.3 M, what must [Fe2*] be to increase Ecell by 0.25 V above Ecll %3D 25 °C?

Formative Assessment 4.4 Instruction: Clearly show all the necessary solutions. 1. When cadmium metal reduces Cu2+ in solution, Cd²+ forms in addition to copper metal. Given that AG°= – 142 kJ, calculate Kat 25 °C. What is Ecell of a voltaic - cell that uses this reaction? 2. Consider a voltaic cell based on the following reaction: Fe(s) + Cu(aq) + Fe2(aq) + Cu(s) If [Cu2] = 0.3 M, what must [Fe2*] be to increase Ecell by 0.25 V above Ecll %3D 25 °C?

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

Section: Chapter Questions

Problem 46QRT

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