Please answer both A and B. Standard reduction potentials are given. Standard Reduction (Electrode) Potentials at 25 °CStandard Reduction (Electrode) Potentials at 25 °CHalf-Cell ReactionE° (volts)Half-Cell ReactionE° (volts)Hg22 (aq) + 2 e →2 Hg(l)0.789F2(g) + 2 e → 2 F'(aq)2.87Fe (aq) + e¯ Fe2*(aq)0.771Ce (aq) + e¯ →Ce³*(aq)1.61L(s) + 2 e 2 I'(aq)0.535MnO4 (aq) + 8 H*(aq)+ 5 e¯ → Mn²*(aq) + 4 H,O(1)1.51Fe(CN), (aq) + e Fe(CN),+(aq)0.48Cl2(g) + 2 e¯ –→2 CI(aq)1.36Cu2+(aq) + 2 e → Cu(s)0.337Cr20,2 (aq) + 14 H*(aq) + 6 e¯ → 2 Cr³*(aq) + 7 H2O(1)Cu2*(aq) + e¯ –→ Cu*(aq)1.330.153O2(g) +4 H*(aq) + 4 e¯ →2 H0(1)S(s) + 2 H*(aq) + 2 e¯ →H2S(aq)1.2290.14Br2(1) + 2 e¨ –→ 2 Br°(aq)1.082 H (aq) + 2 e¯ →H2(g)0.0000NO3 (aq) + 4 H (aq) + 3 e¯ → NO(g) + 2 H2O(1)Pb2t*(aq) + 2 e¯ → Pb(s)0.96-0.1262 Hg2*(aq) + 2 e →Hg2²*(aq)Sn2*(aq) + 2 e → Sn(s)-0.140.920Hg"(aq) + 2 e" →Hg(1)Ni2*(aq) + 2 e → Ni(s)-0.250.855Ag (aq) + e –Ag(s)Co2*(aq) + 2 e¯ →Co(s)-0.280.799Hg2 (aq) + 2 e → 2 Hg(1)Cd2*(aq) + 2 e¯ –→ Cd(s)-0.4030.789Cr*(aq) + e¯ → Cr*(aq)-0.41Fe3*(aq) + e¯ → Fe²*(aq)0.771Fe2*(aq) + 2 e¯ – Fe(s)-0.44I2(s) + 2 e → 2 I'(aq)0.535Cr*(aq) + 3 e¯ – Cr(s)-0.74Fe(CN)6 (aq) + e Fe(CN)6*(aq)0.48-0.763Zn2*(aq) + 2 e¯ – Zn(s)Cu2*(aq) + 2 e¯ →Cu(s)0.337-0.83H,O(1) + 2 e¯ –H2(g)+ 2 OH´(aq)Lo153.2 H20(1) + 2 e →H2(g)+2 OH´(aq)-0.83Mn2*(aq) + 2 e→ Mn(s)-1.18-1.66Al3*(aq) + 3 e –→ Al(s)Mg²*(aq) + 2 e¯ → Mg(s)-2.37-2.714Na (aq) + e¯ → Na(s)-2.925K*(aq) + e¯ → K(s)-3.045Li (aq) + e → Li(s) When the Pb2+ concentration is 1.01 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.340V. What isthe Mg2+concentration?Pb²*(aq) + Mg(s) Pb(s) + Mg²*(aq)Answer:MWhen the Cu²+ concentration is 7.90×10 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.902V.What is the AIt concentration?3Cu²*(aq) + 2Al(s)3Cu(s) + 2AF*(aq)Answer:

Answered: Image /qna-images/answer/89998782-f508-45ec-976d-53e9b95eea5f.jpg

When the Pb2 concentration is 1.01 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.340V. What is the Mg2+ concentration? Pb2*(aq) + Mg(s)→ Pb(s) + Mg²*(aq) Answer: M When the Cu2+ concentration is 7.90×10 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.902V. What is the AIt concentration? 3Cu²*(aq) + 2AI(s)–3Cu(s) + 2A³*(aq) Answer: M

When the Pb2 concentration is 1.01 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.340V. What is the Mg2+ concentration? Pb2(aq) + Mg(s)→ Pb(s) + Mg²(aq) Answer: M When the Cu2+ concentration is 7.90×10 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 1.902V. What is the AIt concentration? 3Cu²(aq) + 2AI(s)–3Cu(s) + 2A³(aq) Answer: M

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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