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A concentration cell consists of two Sn/Sn2+ half- cells. The cell has a potential of 0.10...
What is the ratio of the Sn ' concentrations in the two half-cells? Express your answer using two significant figures. A concentration cell consists of two Sn/Sn^2+ half-cells. The cell has a potential of 0.18 V at 25degreeC.
An electrochemical cell is based on the following two half-reactions: Part A oxidation: Sn (s) +Sn2+ (aq, 1.70 M)+2e reduction: CIO2(g, 0.265 atm )+e+C10(aq, 2.00 M) You may want to reference (Pages 865 - 869) Section 19.6 while completing this problem. Compute the cell potential at 25°C. Express the cell potential to three significant figures. ME PO ΑΣΦ ? Ecco V Submit Request Answer
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 ∘C. The initial concentrations of Pb2+ and Cu2+ are 5.30×10−2 M and 1.70 M, respectively. Part A- What is the initial cell potential? Express your answer using two significant figures. Part B- What is the cell potential when the concentration of Cu2+ has fallen to 0.230 M ? Express your answer using two significant figures. Part C- What are the concentrations of Pb2+ and Cu2+ when...
post lab queations help A voltaic cell consists of a Sn/Sn? half-cell and a Cr/Cr half-cell at 25 °C. The initial concentrations of Snow and Creare 0.10 M and 0.30 M respectively. Standard reduction potentials are as follows: Sn + 2e → Sn, E = -0.14 V; C* + 3e → Cr, E = -0.76 V 1. Which is the anode, which is the cathode? 2. What is the value of E'cell? 3. What is the value of Q, the...
MISSED THIS? Read Section 20.6 (Page) An electrochemical cell is based on the following two half-reactions: Part A oxidation: Sn (s) +Sn2+ (aq, 1.80 M )+2e reduction: C1O2(g, 0.210 atm )+e- +C10] (aq, 1.70 M) Compute the cell potential at 25°C. Express the cell potential to three significant figures. ΤΕΙ ΑΣφ ? Ecell = .839 Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Provide Feedback
A concentration cell consists of two Zn/Zn2+ half-cells. The concentration of Zn2+ in one of the half-cells is 2.0 M and the concentration in the other half-cell is 1.0×10−3M. Indicate the half-reaction occurring at each electrode. Express your answers as chemical equations separated by a comma. Identify all of the phases in your answer.
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25 ∘C. The concentration of Cu2+ in one of the half-cells is 1.6×10−3 M . What is the concentration of Cu2+ in the other half-cell? (Assume the concentration in the unknown cell to be the lower of the two concentrations.) Express your answer using two significant figures.
A concentration cell is constructed in which the concentrations differ in the two half-cells. The cell consists of a Cr3+ (aq, 0.640 M)Cr(s) half- cell connected to a Cr**(aq, 4.50x10M )Cr(s) half-cell. Determine which half-cell will be the anode compartment and calculate the cell voltage. The Cr3+concentration in the anode compartment will be: (_ A a. 0.640 M b. 4.50x10-3M Ecell =
A Review Constants Periodic Table A Cu/Cu2+ concentration cell has a voltage of 0.22 V at 25°C. The concentration of Cu²+ in one of the half-cells is 1.6x10-3 M. Part A What is the concentration of Cu + in the other half-cell? (Assume the concentration in the unknown cell to be the lower of the two concentrations.) Express your answer using two significant figures. TO ADD A A O O ? Cu2+] = Submit Previous Answers Request Answer
Part A What is the Zn2+ : Cu2+ concentration ratio at 25°C if the measured cell potential is 1.17 V? Express your answer using two significant figures. 19 t ΑΣΦ ? Zn2+1 (Cu2+1 11 Submit Request Answer