Part A- Construction of Voltaic Cells and Measurement of Cell Potentials Trial Trial 1 2 Zn/Pb Zn/Ni Pb/Ni Cu/ Zn 4 Cu/ Pb Cu/Ni 3 6. Prepare and complete the following table for each of your six voltaic cells Example for Trial 1: Copper/Zinc cell Oxidation half-reaction Reduction half-reaction Balanced Net reaction Metal at the anode Metal at the cathode Experimental cell potential Calculated standard cell potential % difference

Part A- Construction of Voltaic Cells and Measurement of Cell Potentials Trial Trial 1 2 Zn/Pb Zn/Ni Pb/Ni Cu/ Zn 4 Cu/ Pb Cu/Ni 3 6. Prepare and complete the following table for each of your six voltaic cells Example for Trial 1: Copper/Zinc cell Oxidation half-reaction Reduction half-reaction Balanced Net reaction Metal at the anode Metal at the cathode Experimental cell potential Calculated standard cell potential % difference

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...

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(a) Is it true that 26.3 mpg gasoline translates to 319 g CO:/mi? i. Convert mpg (miles per gallon) to miles per kg (of gasoline) using the density of gasoline ii. Convert kg of gasoline to kg of C assuming the overall formula for gasoline is CıH1a5 ii. Convert kg of C to kg of CO2 iv. Now finally compute g CO:/mi corresponding to 26.3 mpg and compare to 319 g CO2/mi
In the Analytical Chemistry laboratory, one of the B.Sc student Ms. Fatma wanted to analyze the presence of Iron(II) ion in the water samples collected from Sohar Industrial Area in the Sultanate of Oman and analyzed by Spectrophotometric method. (1) 250.00 mL of this water sample (Solution A) known to contain unknown amount of FeSO4. She has diluted Solution A by a dilution factor 10 to make 250.00 mL solution, which she labeled Solution B. Using Spectrophotometer, she has measured the absorbance value (0.642) for Solution B at 508 nm using 1.00 cm cell (cuvet). The molar absorptivity value for Fe2* ion at 508 nm is ɛ508 = 30.8 M-1cm-1. (i) What volume of the solution A did she require to make the 250.00 mL of Solution В? (ii) in (i)? What instrument should she use to transfer the volume of the Solution A calculated (ii) Concentration of FeSO4 in Solution B. (iv) Concentration of FeSO4 in Solution A. Mass of FeSO4 in Solution A (Show your calculation) (v)
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