Consider the following cell.Pt | H2(1 bar) | HCI(m) | AgCI(s) | AgAt 25.0°C, the emf values at various molalities are given by the following.m/(mol-kg-1)0.1220.05480.02600.01360.009270.005530.00317E/V0.3420.3810.4180.4500.4680.4940.521(a) Determine the value of E° graphically. Compare your value of E° with that listed in the table.E° from graph.2387X VE° from table4.0 .8X V(b) Calculate the mean activity coefficient (Y+) for HCl at 0.122 m. (Use the E° value from the table.)4.0.0011 Standard Reduction Potentials, E°, for Half-Cells at 298 K (pH = 0)aElectrodeElectrode reactionE/VElectrodeElectrode reactionE/VPt|F2|F-F(g) + 2e → 2F+2.87Pt|Cu2*, Cu*Cu2+ + e → Cu*+0.153Pt|Co3+, Co2+Co3+ + e→ Co²++1.92Ag|AgBr|BrAgBr + e - Ag + Br+0.0713Pt|Ce+, Ce3+Ce+ + e→ Ce3++1.72Pt|H,|H2H* + 2e → H,0.0Pt|MnOj, Mn2+Mno, + 8H* + 5e¯ → Mn2+ + 4H,O+1.507Pb|Pb2+Pb2+ + 2e → Pb-0.126Pt|Mn3*, Mn²+Mn3+ + e - Mn2++1,54Sn|Sn2+Sn2+ + 2e → Sn-0.138Au|Au³+Au3+ + 3e → Au+1.498Co|Co*Co2+ + 2e → Co-0.277Pt|C1,|CI-Cl,(g) + 2e → 2C1-+1.36Ti|TI*TI* + e - Tl-0.336Pb|PBSO,|SOPbSO, + 2e - Pb + SO-Pt|Cr,0;, Cr**Cr,0 + 14H* + 6e¯ → 2Cr+ + 7H,0+1.23-0.359Pt|T1³+, TI*T13+ + 2e- → TI-+1.252Cd|Cd2-Cd2+ + 2e → Cd-0.403Pt|O,, H,0+1.229Pt|Cr3+, Cr2+Cr+ + e → Cr2+O,(g) + 4H* + 4e¯ → 2H,0-0.41Pt|Br,, BrBr, + 2e → 2Br+1.087Fe|Fe2-Fe?+ + 2e - Fe-0.447Pt|Hg²*, Hg*2H92+ + 2e → Hg*+0.92Zn|Zn2+Zn2+ + 2e → Zn-0.762Hg|Hg2+Hg2+ + 2e - Hg+0.851Pt|H,O|H,, OH2H,0 + 2e → H, + 20H-0.828Ag|Ag*Ag* + e → Ag+0.800Mn|Mn²-Mn2+ + 2e- → Mn-1.180Pt|Fe3+, Fe2+Fe3+ + e → Fe2++0.771A1|A13-A13+ + 3e - Al-1.662Pt|I,, I-I, + 2e-→ 21Mg|Mg2-Mg2+ + 2e → Mg-2.372+0.536Pt|O2. OH-+0.401Na|Na*O,(g) + 2H,0 + 4e¯ → 40H-Na* + e → Na-2.714Pt|Fe(CN);, Fe(CN);Fe(CN) + e → Fe(CN)+0.36Ca|Ca2+Ca2+ + 2e → Ca-2.868Cu|Cu²*Cu2+ + 2e- → Cu+0.342Sr|Sr*Sr2+ + 2e- - Sr-2.899Pt|Hg|Hg,Cl,|CFHg,Cl, + 2e → 2Hg + 2C1-+0.268Ba|Ba2+Ba?+ + 2e → Ba-2.905Ag|AgC1|Cl-AgCl + e - Ag + CF+0.222K|K*K* + e → K-2.931Pt|Snt+, Sn2+Sn4+ + 2e → Sn2++0.151Li|Li*Li* + e → Li-3.05a Data mostly from CRC Handbook of Chemistry and Physics, 94th ed., Taylor-Francis/CRCPress, Boca Raton, FL, 2013.

Consider the following cell. Pt | H2(1 bar) | HCI(m) | AgCI(s) | Ag At 25.0°C, the emf values at various molalities are given by the following. m/(mol·kg-1) 0.122 0.0548 0.0260 0.0136 0.00927 0.00553 0.00317 E/V 0.342 0.381 0.418 0.450 0.468 0.494 0.521 (a) Determine the value of E° graphically. Compare your value of E° with that listed in the table. E° from graph .2387 E° from table 4.0.8 X V (b) Calculate the mean activity coefficient (Y:) for HCI at 0.122 m. (Use the E° value from the table.) 4.0 .0011

Consider the following cell. Pt | H2(1 bar) | HCI(m) | AgCI(s) | Ag At 25.0°C, the emf values at various molalities are given by the following. m/(mol·kg-1) 0.122 0.0548 0.0260 0.0136 0.00927 0.00553 0.00317 E/V 0.342 0.381 0.418 0.450 0.468 0.494 0.521 (a) Determine the value of E° graphically. Compare your value of E° with that listed in the table. E° from graph .2387 E° from table 4.0.8 X V (b) Calculate the mean activity coefficient (Y:) for HCI at 0.122 m. (Use the E° value from the table.) 4.0 .0011

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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Consider the following cell. Ag(s)|AgCI(s)|NaCI(aq)|Hg2Cl2(s)|Hg(/)|Pt(s) (a) Write the half-cell reactions. (Include states-of-matter under the given conditions in your answer.) Cathode: chemPad Help Greek - Anode: chemPad O Help X.X"| Greek - (b) The standard emfs of the cell at several temperatures are as follows. T/K 291 298 303 311 E°/mV 43.0 45.4 47.1 50.1 Calculate the values of A,G°, A,Sº, and A,H° for the reaction at 303 K. A,G°: A,S° kJ•mol-1 J-mol -1.к-1 %3D A,H° kJ•mol-1
Q1
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