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Question 4 (1 point) What is the Eºcell for the spontaneous electrochemical cell between Pb2+/Pb and...
Question 3 (1 point) What is the Eºcell for the spontaneous electrochemical cell between Co2+/Co and Fe2+/Fe? -0.163 v + 0.326 V +0.163 V 0.326 V AIN605 PASSWOR lenovo
Question 6 (1 point) Transpose the following redox reaction into cell notation. Mg (s) + Pb2+ (aq) -- Mg2+ (aq) + Pb (s) O1 Mg (s)| Mg2+ (1 M) || Pb2+ (1 M) | Pb (s) || O I Mg (s) | NaNO3 (1 M) || NaNO3 (1 M) | Pb (s) O1 Pt (s)| Mg2+ (1 M) || Pb2+ (1 M) | Pt(s) O Pb (s) | Pb2+ (1 M) || Mg2+ (1 M) | Mg (s) || Question...
Question 8 (1 point) Calculate the equilibrium constant, K, for the spontaneous galvanic cell between Pb2+/Pb and Cr3+/Cr2+ conducted at standard conditions. 7.9 x102 1.7 x1014 3.1 x109 5.6 x104 Show Report OE PASSW STRAIN605 lenovo
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For the following electrochemical cell: Cd | Cd2+(aq) || Pb2+(aq) | Pb First, calculate Eºcell, and then calculate the value of Ecell when [Cd2+] = 4.8 M and [Pb2+1 = 8.77 x 10-6 M. +0.277 V -0.0621 V -0.107 +0.107 V +0.447 V
When the Pb2+ concentration is 1.17 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.356V. What is the Mg2+ concentration? Pb2+(aq) + Mg(s) Pb(s) + Mg2+(aq) Answer: _____M
not be spontaneous as written Question 10 (1 point) Is the following galvanic cell going to proceed spontaneously as written? If yes, what will be the cell potential? | Mg (s) | Mg2+ (0.30 M) || Mg2+ (3.0 M) | Mg (s) / Yes. The cell potential will be +0.0592 V as written Yes. The cell potential will be +0.0324 V as written Yes. The cell potential will be +0.0296 V as written No, the galvanic cell will not be...
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 1.38 M and the Zn2+ concentration is 9.41*10-4 M? Pb2+(aq) + Zn(s) —— Pb(s) + → Pb(s) + Zn2+(aq) Answer: V The cell reaction as written above is spontaneous for the concentrations given:
[References) Use the References to access important values if needed for this question. What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Pb2+ concentration is 8.30x104 M and the Mg2+ concentration is 1.39 M ? Pb2+ (aq) + Mg(s) —— Pb(s) + Mg2+ (aq) Answer: V The cell reaction as written above is spontaneous for the concentrations given: Submit Answer Retry Entire Group 4 more group attempts remaining
Question 5 (1 point) Standard reduction potentials for the Zn2+/Zn and Pb2+/Pb couples are -0.76 and - 0.13 V, respectively. The galvanic cell below uses the half-cells Pb2 Pb and Zn2+Zn, and a salt bridge containing KCl(aq). The voltmeter gives a positive voltage reading. voltater salt bridge CD- The identities of A and C, respectively, are Zn and K OPb and K Zn and CH O Pb and CI Question 6 (1 point) Saved In a working electrochemical cell, the...
Use the References to access important values if needed for this question. When the Pb2+ concentration is 1.39 M, the observed cell potential at 298K for an electrochemical cell with the following reaction is 2.339V. What is the Mg2 concentration? Pb2+ (aq) + Mg(— Pb(s) + Mg2+ (aq) Answer: M Submit Answer Retry Entire Group 4 more group attempts remaining