Pt(s) |X* (aq). (aq) I| Y3+, *(aq) I Y(s) Given the line notation: where: x2+ + e , x+ E° = 1.17 V y3+ + 3 e → Y E° = -2.16 V Pr4+ + 4 e → Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign

Pt(s) |X* (aq). (aq) I| Y3+, *(aq) I Y(s) Given the line notation: where: x2+ + e , x+ E° = 1.17 V y3+ + 3 e → Y E° = -2.16 V Pr4+ + 4 e → Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter10: Potentiometry And Redox Titrations

Section: Chapter Questions

Problem 2P

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ELECTROCHEMISTRY: Pt(s) |X" (aq). (aq) | Y(s) Given the line notation: (aq) || y3+ where: x2* + e x* E° = 0.48 V y3+ + 3 e → Y E° = -2.35 V Pt4+ + 4 e - E° = 1.20 V - Pt Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
ELECTROCHEMISTRY: X2+ (aq) || Y3+ Given the line notation: Pt(s) |X* (aq). (aq) | Y(s) where: x2+ + e EO = 0.59 V y3+ + 3 e - Y E° = -2.21 V P4+ + 4 e → Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
ELECTROCHEMISTRY: x2+ (aq) || Y3+ Given the line notation: Pt(s) |X*(ag). (aq) IY(s) where: x2+ + e - x* E° = 0.47 V y3+ + 3 e - Y E° = -2.65 V Pt4+ + 4 e E° = 1.20 V - Pt %3D Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
AG = AG° + RT · In(Q) ΔΕ ΔΕ-). In(Q) Half Reaction (Note: All given as reduction) E° (V) 02 (g) + 4 H*(aq) + 4 e¯ → 2 H20 (I) 1.229 |Z2 (s) + 2 e 2z (aq) 0.426 3+ |A°™ (aq) + 3 e A (s) 0.292 2 H20 (1) + 2 e H2 (g) + 2 OH¯ (aq) - 0.828 > 2+ G (aq) + 2 e¯ → G (s) - 1.245 M2+ (aq) + 2 e → M (s) - 1.893 A student constructs a voltaic electrochemical cell with two metal electrodes [metal G and metal A] in their respective aqueous nitrate solutions [G(NO3)2 and A(NO3)3]. Use this information, as well as the reduction potentials in the table above to complete each statement below. The metal electrode A is... o not changing in mass. o increasing in mass. o decreasing in mass. Question 4 The metal solution A(NO3)3 is... o increasing in concentration. o not changing in concentration. o decreasing in concentration.
ELECTROCHEMISTRY: Pt(s) |X* (aq) (aq) || Y3+ "(aq) | Y(s) Given the line notation: where: x2+ + e , x+ E° = 0.88 V y3+ + 3 e → Y E° = -2.46 V P4+ + 4 e -→ Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
ELECTROCHEMISTRY: Pt(s) |X*(ag). x2+ (aq) | Y(s) Given the line notation: (aq) || Y3+ where: x2+ + e - x* E° = 0.84 V y3+ + 3 e - Y E° = -1.56 V Pt4+ + 4 e - Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Piease include the negative (-) sign
Standard Reduction (Electrode) Potentials at 25 Half-Cell Reaction * (volts) F2(8) + 2 e2F (aq) 287 Ce* (aq) +e Ce (aq) 1.61 Mn0, (aq) + BH'(aq) +5e Mn"( "(aq) + 4 H20(1) 1.51 Cla(g) +2e -2 C (aq) 1.36 Cr20, (aq) + 14 H'(aq) - 6e2 Cr*"(aq) + 7 H20() 1.33 Oz() + 4 H'(aq) + 4e2 H20(1) 1.229 Br20) + 2 e2 Br (aq) 1.08 NO3 (aq) + 4 H'(aq) + 3eNO(g) + 2 H20() Hg"(aq) 0.96 2 Hg (aq) + 2e 0.920 Hg"(aq) + 2 e- Hg(1) 0.855 Ag (aq) +e Ag(s) 0.799 Hg2" (aq) - 2e-2 Hg(1) 0.789 Fe" (aq) +e Fe"(ag) 0.771 12(s) + 2e 21 (aq) 0.535 Fe(CN)"(aq) + e Fe(CN), (aq) 0.48 Cu (aq) + 2eCu(s) 0.337 Cu"(aq) +e- Cu (aq) 0.153 S(s) + 2 H'(aq) + 2 e H2S(aq) 0.14 2H'(aq) + 2e-H2(8) 0.0000 Pb (aq) + 2e- Ph(s) -0126 Sn (aq) + 2 e Sn(s) -014 Ni (aq) + 2 e- Ni(s) -0.25 Co (aq) + 2 e Co(s) -0.28 "(aq) + 2e Cd(s) -0.403 Cr"(aq) +e "(aq) -041 Fe"(aq) + 2 e Fe(s) -044 Cr"(aq) +3e-Cr(s) -0.74 Zn"(aq) +2 e- Zn(s) -0.763 2 H20() +2e Hz(z) + 2 OH (aq) -0.83 Mn"(aq) + 2e - Mn(s) -1.18 A" (aq) + 3e- Al(s) -1.66 Mg (aq) + 2 e- Mg(s)…
ELECTROCHEMISTRY: Pt(s)|X(2g)- (aq) IY(s) Given the line notation: (aq) II Y3+ where: x2* +e - x* E° = 0.79 V y3+ +3 e - Y E° = -2.38 V P4+ + 4 e - Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please inciude the negative (-) sign
ELECTROCHEMISTRY: Pt(s) |X"(aq). x2+ (aq) || Y3+, (aq) | Y(s) Given the line notation: where: x2+ + e → X* E° = 1.3 V Y3+ +3 e → Y E° = -2.15 V Pt4+ + 4 e E° = 1.20 V - Pt Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
ELECTROCHEMISTRY: Pt(s) |X (aq): (aq) | Y(s) Given the line notation: (aq) I| Y3+ where: x2+ + e - X* E° = 0.45 V + 3 e - Y E° = -2.03 V Pt4+ + 4 e → Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign
SVhat is the cell potential (Ecl) of a spontaneous cell that is run at 25°C and contains Cr*| = 0.10 M and Ag = 4.0 x 10 Standard Electrode (Reduction) Potentials in Aqueous Solution at 25°C Cathode (Reduction) Half-Reaction Standard Potential, E (V) Cr* (aq) + 3e → Cr(s) Ag* (aq) + e → Ag(s) 3-+ -0.74 0.80 Cell potential
ELECTROCHEMISTRY: Pt(s) |X'(aq). x2+ *(aq) || Y3*(aq) | Y(s) Given the line notation: where: x2+ + e → x E° = 0.97 V y3+ + 3 e → Y E° = -1.99 V Pt4+ + 4 e → Pt E° = 1.20 V Calculate the EMF. Input values only with 2 decimal places. Do not include the unit. If positive value: DO NOT include the positive (+) sign If negative value: Please include the negative (-) sign