Question

Partner's Name Instructor Procedure I, Voltaic Cell Zn/Zn2+ 1.0 M || Cu2+ 1.0 M/Cu In the space below write the equations for the two half reactions and sum them appropriately to calculate the standard reaction potential for a 1.0 M voltaic cell. Show the overall net ionic equation for this reaction. 9pts.) Standard reaction potential Write the expression for Q for this redox reaction. (4 pes) In the space below show a calculation using the Nemst equation to determine the theoretical reaction potential for the Zn/Zn2+ 0.1 M || Cu? 0.1M/Cu standard cell. 9pts.) Theoretical reaction potential **Observed potential for the Zn/Zn? 0.1 M | Cu? 0.1M/Cu _(2 pts.) Percent error from theoretical potential _(2 pts.) 0.1 M CuSO, and unknown ZnSO. code and potential pes, each) 948 Potential Unknown concentration of ZnSO4 (10 pts.) (Use **observed potential for the ZnZn 0.1 M C .IM/Cu cell as the EⓇ in the calculation and note the number of significant figures given on reagent bottles.)

Answer 1

Ams] Anode: Zn(s) - Zn2+ (aq) + 26 Cathode: cut (aq) + 2é - Culs) net ionic equation Zn (A) + Cut (aq) - 2n+ (aq) + Cu(s) ana Q = [ Zn2+] [Cu2+] Am3 full= Ecul - 0.0592 log Full = Ecurtiu € 2077/an -0-34 V - (-0.76) V = 1.10 Y Falu = E cell- 010592 а loa [In2+] (CCич Elo10 Y - 0.059 E 1OV - 0.0592 Bogor 0 :) 2 = 1:10 - 0.0592 0 Full = 1.1or