PRINCIPLES OF MODERN CHEMISTRY-OWLV2
8th Edition
ISBN: 9781305271609
Author: OXTOBY
Publisher: CENGAGE L
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Explain the similarities and differences between a voltaic andelectrolytic cell. Be sure to discuss how electrical energy and chemical energy areexchanged in a redox reaction.
What results did this experiment end up with whether this lab was successful or not of the electrochemistry redox reaction (Oxidation Reduction) experiment?
The results:
Part 1: Percent Error Calculation for Voltaic Cells
To calculate the percent error, use the formula:
Percent Error=Theoretical Value∣Observed Value−Theoretical Value∣×100
Theoretical Voltages for Voltaic Cells
To calculate the percent error, we first need the theoretical standard electrode potentials for the voltaic cells:
Zn/Cu:
EZn2+/Zn = −0.76 V
ECu2+/Cu = +0.34 V
Theoretical: Ecell =0.34−(−0.76) = 1.10 V
Zn/Al:
EAl3+/Al = −1.66 V
Theoretical: Ecell = −1.66−(−0.76) = −0.90 V
Zn/Ag:
EAg+/Ag = +0.80 V
Theoretical: Ecell = 0.80−(−0.76) = 1.56 V
Al/Cu:
Theoretical: Ecell = 0.34−(−1.66) = 2.00 V
Ag/Cu:
Theoretical: Ecell = 0.34−0.80 =…
1) List ALL the chemicals you are going to use or encounter for electrochemistry redox reaction (Oxidation Reduction) experiment. If you are working with any materials that have specific hazards or safety concerns list them.
2) List out the glassware, tools, equipment and other materials you think you are going to need to complete the electrochemistry redox reaction (Oxidation Reduction) experiment. Be specific.
In this section, you should record any visual observations you make (colors, appearances of water, physical states, etc) for electrochemistry redox reaction (Oxidation Reduction)experiment. You should also record any numeric observations (masses, volumes, concentrations).Make sure they are organized and labeled so it is clear what the observation of electrochemistry redox reaction (Oxidation Reduction)experiment.
Here is the data for the electrochemistry redox reaction (Oxidation Reduction)experiment:
Part 1 was testing the observed vs theoretical cell potentials for the following voltaic cells: Zn/Cu reading was 0.914 Zn/Al reading was 0.210 Zn/Ag reading was 1.330 Al/Cu reading was 0.672 Ag/Cu reading was 0.413 Ag/Al reading was 1.000
Part 2 of the experiment was constructed an electrolytic cell using 2.008 grams of KI in about 100mL of DI water. Then measured the pH of the reaction mixture which was 5.22 with soultion in plain water and 10.74 with soultion added.
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- Describe the topics studying for the electrochemistry redox reaction (Oxidation Reduction) experiment. What is the main point of this experiment? Why are we doing it?What should we get out of it?arrow_forwardPlease correct answer and don't use hand ratingarrow_forwardGive detailed with explanation needed....don't give Ai generated solutionarrow_forward
- Give detailed mechanism Solution with explanation needed. Don't give Ai generated solutionarrow_forwardFor the second part of the experiment, I constructed an electrolytic cell using 2.008 grams of KI in about 100mL of DI water. I measured the pH of the reaction mixture which was 5.22 with soultion in plain water and 10.74 with soultion added. Calculate using your measured pH values at the beginning and end of the reaction, determine the mass of I2 producedarrow_forwardExplain the mechanism and show the stepsarrow_forward
- Can you explain the mechanism and show the stepsarrow_forwardDraw the product of the reaction shown below. Ignore inorganic byproducts. If the reaction results in a mixture of ortho and para isomers, draw only the para-product. CH3C(O)CI AlCl3 Drawingarrow_forwardCan you explain it? How to find the answer? And the various factors that involved E2? What is the difference between the options? What determine nucleophile is better in protic/aproticarrow_forward
- Explain each examples and the options and why they are not the answerarrow_forwardIn this section, you should record any visual observations you make (colors, appearances of water, physical states, etc) for electrochemistry redox reaction (Oxidation Reduction)experiment. You should also record any numeric observations (masses, volumes, concentrations).Make sure they are organized and labeled so it is clear what the observation of electrochemistry redox reaction (Oxidation Reduction)experiment. Here is the data for the electrochemistry redox reaction (Oxidation Reduction)experiment: The first part was testing the observed vs theoretical cell potentials for the following voltaic cells: Zn/Cu reading was 0.914 Zn/Al reading was 0.210 Zn/Ag reading was 1.330 Al/Cu reading was 0.672 Ag/Cu reading was 0.413 Ag/Al reading was 1.000 The second part of the experiment was constructed an electrolytic cell using 2.008 grams of KI in about 100mL of DI water. Then measured the pH of the reaction mixture which was 5.22 with soultion in plain water and 10.74 with soultion added.arrow_forwardNaCN 15. What is the major organic product obtaine H excess HI heat LSarrow_forward
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