When [Cu2+] = 1.46 M, the observed cell potential at 298 K for an electrochemical cell with the reaction shown below is 1.612 V. What is the Mn2+ concentration in this cell? Cu2+(aq) + Mn(s) → Cu(s) + Mn2+(aq) Mn2+] = mol/L Submit Show Approach Hide Tutor Steps TUTOR STEP The overall reaction is: Cu2+ (aq) + Mn (s) → Cu (s) + Mn2+ (aq) Determine the value of the reaction quotient, Q, using the value of E°cell and the measured value of Ecell: Ecell = 1.612 V E°cell = 1.517 V n = 2 The relationship between Q, E°cell, and Ecell at 298 K is, Ecell = Ecell 0.0257 V In Q n What is Q? Q =

When [Cu2+] = 1.46 M, the observed cell potential at 298 K for an electrochemical cell with the reaction shown below is 1.612 V. What is the Mn2+ concentration in this cell? Cu2+(aq) + Mn(s) → Cu(s) + Mn2+(aq) Mn2+] = mol/L Submit Show Approach Hide Tutor Steps TUTOR STEP The overall reaction is: Cu2+ (aq) + Mn (s) → Cu (s) + Mn2+ (aq) Determine the value of the reaction quotient, Q, using the value of E°cell and the measured value of Ecell: Ecell = 1.612 V E°cell = 1.517 V n = 2 The relationship between Q, E°cell, and Ecell at 298 K is, Ecell = Ecell 0.0257 V In Q n What is Q? Q =

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...

See similar textbooks

Similar questions

#1
A concentration cell running at 25°C consists of two Al(s)/Al3+(aq) cells. If the concentration of Al3+ at the anode is 4.12 x 10-8 M and the concentration of Al3+ at the cathode is 1.27 M, what is the value of Ecell? (Two decimal places)
Given the standard electrode reduction potentials, which reaction will occur spontaneously?
1:18 Question 14 of 17 The standard cell potential E°(cell) is +0.34 V for the redox reaction 2 In(s) + 6 H*(aq) → 2 In³+ (aq) + 3 H₂(g). 1 4 7 +/- Determine Eº for the half-reaction In³+ (aq) + 3 e → In(s). 2 5 8 V 3 60 Submit 9 O Tap here or pull up for additional resources XU x 100
4
Item 1 < 1 of 25 Constants | Periodic Table Part A The standard cell potential (E') of the reaction below is -0.55 V. The value of A G for the reaction is J/mol. I2 (5) + 2Br (aq) → 21 (aq) + Brz (1) O 1.1- 105 O 0.54 O 0.55 O 5.5 - 106 O none of the above Submit Request Answer
Standard Reduction (Electrode) Potentials at 25 oC Half-Cell Reaction Eo (volts) Standard Reduction (Electrode) Potentials at 25 oC Half-Cell Reaction Eo (volts) F2(g) + 2 e- 2 F-(aq) 2.87 Ce4+(aq) + e- Ce3+(aq) 1.61 MnO4-(aq) + 8 H+(aq) + 5 e- Mn2+(aq) + 4 H2O(l) 1.51 Cl2(g) + 2 e- 2 Cl-(aq) 1.36 Cr2O72-(aq) + 14 H+(aq) + 6 e- 2 Cr3+(aq) + 7 H2O(l) 1.33 O2(g) + 4 H+(aq) + 4 e- 2 H2O(l) 1.229 Br2(l) + 2 e- 2 Br-(aq) 1.08 NO3-(aq) + 4 H+(aq) + 3 e- NO(g) + 2 H2O(l) 0.96 2 Hg2+(aq) + 2 e- Hg22+(aq) 0.920 Hg2+(aq) + 2 e- Hg(l) 0.855 Ag+(aq) + e- Ag(s) 0.799 Hg22+(aq) + 2 e- 2 Hg(l) 0.789 Fe3+(aq) + e- Fe2+(aq) 0.771 I2(s) + 2 e- 2 I-(aq) 0.535 Fe(CN)63-(aq) + e- Fe(CN)64-(aq) 0.48 Cu2+(aq) + 2 e- Cu(s) 0.337 Cu2+(aq) + e- Cu+(aq) 0.153 S(s) + 2 H+(aq) + 2 e- H2S(aq) 0.14 2 H+(aq) + 2 e- H2(g) 0.0000 Pb2+(aq) + 2 e- Pb(s) -0.126 Sn2+(aq) + 2 e- Sn(s) -0.14 Ni2+(aq) + 2 e- Ni(s) -0.25 Co2+(aq) + 2 e- Co(s)…
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 {
The standard cell potential (E°cell) for the voltaic cell based on the reaction below is __________ V. Zn (s) + Cu2+ (aq) → Cu (s) + Zn2+ (aq)
I need both parts please!!
half-cell and a are 0.0530 M MISSED THIS? Read Section 20.6 (Page). A voltaic cell consists of a Pb/Pb²+ Cu/Cu²+ half-cell at 25 °C. The initial concentrations of Pb²+ and Cu²+ 2+ and 1.70 M, respectively. What is the initial cell potential? Express your answer using two significant figures. ►View Available Hint(s) IVE ΑΣΦ Ecell: = Submit Part B 2+ What is the cell potential when the concentration of Cu Express your answer using two significant figures. ► View Available Hint(s) [5] ΑΣΦ Ecell = = Submit Part C ? V has fallen to 0.250 M? ? V What is the concentration of Pb²+ when the cell potential falls to 0.350 V ? Express your answers using three significant figures. ►View Available Hint(s)