Setup 1 Setup 2 Setup 3 Anode Cathode Anode Cathode Anode Cathode Electrodes Carbon Carbon Carbon Carbon Carbon Carbon Solutions 1.0 M CuSO4 1.0 M CuSO4 1.0 M CuSO4 Current 1.50 A 2.50 A 2.50 A Time 10.00 minutes 10.00 minutes 15.00 minutes Table 2 Parameter Setup 1 Setup 2 Setup Initial mass of anode (g) 15.02 14.88 16.15 Final mass of anode (g) 15.03 14.87 16.16 Initial mass of cathode (g) 14.23 15.75 15.42 Final mass of 14.56 16.28 16.21 cathode (g) Dotormin mons of dop sgitec oopp er usi ng th te in toble 2

Setup 1 Setup 2 Setup 3 Anode Cathode Anode Cathode Anode Cathode Electrodes Carbon Carbon Carbon Carbon Carbon Carbon Solutions 1.0 M CuSO4 1.0 M CuSO4 1.0 M CuSO4 Current 1.50 A 2.50 A 2.50 A Time 10.00 minutes 10.00 minutes 15.00 minutes Table 2 Parameter Setup 1 Setup 2 Setup Initial mass of anode (g) 15.02 14.88 16.15 Final mass of anode (g) 15.03 14.87 16.16 Initial mass of cathode (g) 14.23 15.75 15.42 Final mass of 14.56 16.28 16.21 cathode (g) Dotormin mons of dop sgitec oopp er usi ng th te in toble 2

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

Current is applied to a molten mixture of CuF, FeCl2, and AlBr3. Standard reduction potentials can be found in this table. What is produced at the cathode? Fe Cl₂ Br₂ Cu OF₂ Ο Al What is produced at the anode? C1₂ F₂ Br₂ Fe Al O Cu
2. In the electrolysis of an aqueous Zn(NO3)2 solution, what reactions occur at the anode and at the cathode, assuming standard conditions? O, + 4H + 4e → 2H;O 6° = 1.23 V 2H,0 + 2e → H2 + 20H E° = -0.83V Zn2 + 2e → Zn ɛ° = -0.76 V NO, + 4H + 3e' → NO + 2H20 E° = 0,96 V ANODE: CATHODE:
Electrodes Solutions Concentrations Ecell, V Setup 1 Anode Zinc Zn(NO3)2 1.0 M Cathode Silver AgNO3(aq)| Zn(NO3)2 1.0 M 1.0 M Anode Zinc 1.548 Setup 2 Cathode Silver AgNO3(aq) 1.536 0.50 M Setup 3 Anode Zinc Zn(NO3)2 0.50 M 1.559 1. Write the RHR, OHR, and the balanced overall reaction of the voltaic cell Cathode Silver AgNO3(aq) 1.0 M
If a constant current of 7.3 amperes is passed through a cell containing Cu²+ for 1.5 hours, how many grams of Cu will plate out onto the cathode?
Esmeralda the electrochemist sets up an experiment in which she plans to electroplate tin metal onto a 2.0 x 2.0 cm2 electrode surface with a 3.0-A current for 60.0 minutes. Sn2+ + 2 e- → Sn(s) Which of the following experimental changes will result in a thicker film of Sn(s) being deposited? (Check all correct answers.) Group of answer choices increasing the deposition time while keeping all other parameters at their original values increasing the electrode surface area while keeping all other parameters at their original values decreasing the electrode surface area while keeping all other parameters at their original values increasing the current while keeping all other parameters at their original values decreasing the current while keeping all other parameters at their original values decreasing the deposition time while keeping all other parameters at their original values
For each set of electrodes, fill in the table below. Write the balanced reaction that occurs. You will have each balanced reaction listed more than once. If the anodes are connected correctly to measure the spontaneous reaction, write “Y, otherwise write “N” in the “Spontaneous” column. Black Lead .1 Zn (NO3)2 Red Lead .1 M Cu (NO3)2 Voltage .941 Spontaneous is Yes for this one I need the balance equation. Step by Step Black Lead Red Lead Ecell (obs) Balanced equation Spontaneous Zn(0.1) Cu(0.1) .941 Yes
Predict the products at the anode and cathode for the electrolysis of magnesium chloride. What is the minimum voltage required for this electrolysis? O1.23 V O3.94 V O1.36 V O 3.24 V O2.06 V ace
3. The Eel fora galvanic cell composed of a Li electrode and an unknown electrode was found to be 2.91 volts. Use the Standard Reduction Potential table to determine the identity of the unknown electrode. Show work. Ered (Volts) -0.80 -0.34 -0.04 -0.76 -0.14 -0.40 -2.37 Half-Reaction Ag (aq) + 1e → Ag(s) Cu²+ (aq) + 2e > Cu(s) Fe (aq) + 3e > Fe(s) Zn²+ (aq) Sn²+ (aq) + 2e +2e → Zn(s) Sn(s) Cd²+ (aq) + 2e* Cd(s) Mg²+ (aq) + 2e Mg(s)
A galvanic (voltaic) cell is made using the 2 half cells: Zn2+ (aq) + 2e → Zn(s) E =-.763 V Mg2+ (aq) + 2e - → Mg(s) with Zn(s) and Mg(s) as the electrodes. Answer the questions A. It is the anode. [Select ] B. It is the cathode. [Select] C. Electrons in the wire flow toward it. [Select]. D. Anions from the salt bridge flow toward it. [Select] E. Gains mass. [Select] E = -2.37 V F. Losses mass. [Select]
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential |MnO,(s)+4H"(aq)+2e Mn (aq)+2 H,0(1) E =+1.23 V red Fe*(aq)+e 2+ Fe" (aq) =+0.771 V (red Answer the following questions about this cell. Write a balanced equation for the half-reaction that I| happens at the cathode. x10 Write a balanced equation for the half-reaction that ? happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do vou have
You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long will it take to electroplate a 40.0 micron thick coating onto the sphere using Pt+2 and a current of 0.500 amps? The density of platinum is 21.45 g/cm3. 1 micron = 1.00×10–4 cm.[hint: Calculate the difference in volume of the coated and uncoated spheres and then use the density information to determine your answer.]Time Required = Answer minutes
how many minutes are required to produce 8.79 g of aluminum metal from the electrolysis of molten AlCl3 with an electrical current of 15.1 A? F=96470 C/mol e^- 1 A= 1 C/s please do a minimum of 3 sig figs