Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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- I need to determine the reduction potentials of all other half-lifes using reduction potential of Zn^2+ (0.10)/Zn half-reaction. I included the data for one of the half-lives I need to find. The known reduction potential for Zn^2+/Zn is -0.79 The cathode is Cu and the anode is Fe The potential (V) for this half cell is 0.767 and it is the potential for the Ecell. The concentration of Cu(NO3)2 is 0.10M and the concentration of Fe(NO)3 is 0.10M In the Cu/Zn pairing the supposed reduction potential of Cu was 0.212. The instructions said to use this value to determine reduction potential of Fearrow_forwardRefer to the galvanic cell below (the contents of each half-cell are written beneath each compartment): V Pt 0.10 M MnO4 0.40 М Cr3+ 0.20 M Mn2+ 0.30 M Cr,0,2- 0.010 M H* 0.010 MH* The standard reduction potentials are as follows: MnO, + 8H* + 5e → Mn2+ + 4H,O, ɛ° = 1.51 V Cr,0,2- + 14H* + 6e 2Cr** + 7H2O, ɛ° = 1.33 V When current is allowed to flow, which species is oxidized? O Cr,0,²- Cr³+ MnO4 Mn2+ O H*arrow_forwardWhat is electrochemical series. Give 2 elements that can be used to protect steel from corrosion when in contact using sacrificial protection.arrow_forward
- 8. Identify the half reactions that occur in an electrolytic cell consisting of copper electrodes in a solution of CrBr,.arrow_forwardUse standard reduction potentials to find the equilibrium constant for the following reaction at 25°C: Mg?*(aq) + Pb(s) =Mg(s) + Pb2+(aq) Enter your answer in scientific notation to one significant digit. K = × 10arrow_forwardplease step by step solution.arrow_forward
- Calculate Ecell (volts) for the galvanic cell containing the reaction shown below where the concentration of the ion at the anode is 0.500 M and the concentration of the ion at the cathode is 1.50 M. Use the standard reduction potentials from Appendix L in our textbook.arrow_forwardIf the accompanying drawing of an electrochemical cell represents an iron-nickel cell, use the partial activity series included to select the half-reaction represented by the right side of the cell. Zn Zn*+ 2e Fe Fe*+2e Co Co-2e Ni- N. Cu cu+2e O Fe Fe*-2e Ni -N-2e ON* -2e- Niarrow_forwardUsing the given reduction potential of the Zn^2+(0.1M)/Zn half reaction which is -0.79V, determine the reduction potentials of all of the other half-reactions. Anode Cathode Al Fe 0.509V Zn Al 0.564V Zn Fe 0.901Varrow_forward
- #26arrow_forwardUse the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Cu²* | Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) O Cu is oxidized at the cathode. O Cr3+|Cr2+ could be the other standard half cell. The anode reaction could be Cr2* -> Cr³* + e Ag"Ag could be the other standard half cell. U As the cell runs, anions will migrate from the Cu2"|Cu compartment to the other compartment. Submit Answer Try Another Version 2 item attempts remainingarrow_forward
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