CHEMISTRY-TEXT
8th Edition
ISBN: 9780134856230
Author: Robinson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 19, Problem 19.144SP
Interpretation Introduction
Interpretation:
The time required to produce the given amount of Al2O3 needs to be determined.
Concept introduction:
Anodizing is the process that oxidized a metal anode to yield a porous metal oxide coating that can incorporate dye molecules to give brilliant colors. Following are the cathode, anode and overall reactions for the anodizing of aluminum.
Cathode reaction of anodizing =
Anode reaction of anodizing =
Overall reaction =
The amount of substance produced at an electrode by
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionChapter 19 Solutions
CHEMISTRY-TEXT
Ch. 19 - Balance the following net ionic equation by the...Ch. 19 - Balance the following net ionic equation by the...Ch. 19 - Prob. 19.3PCh. 19 - Balance the following net ionic equation by the...Ch. 19 - Prob. 19.5PCh. 19 - Prob. 19.6ACh. 19 - PRACTICE 18.7 Write a balanced equation for the...Ch. 19 - Consider the following galvanic cell with...Ch. 19 - The standard cell potential at 25oC is 1.20 V for...Ch. 19 - The standard free-energy change is 59.8kJ for the...
Ch. 19 - Which substance is the strongest reducting agent:...Ch. 19 - Consider the following table of standard reduction...Ch. 19 - Use Table 19.1 to calculate the value of Eo for...Ch. 19 - Prob. 19.14ACh. 19 - Prob. 19.15PCh. 19 - Prob. 19.16ACh. 19 - Consider a galvanic cell that uses the reaction...Ch. 19 - Accidentally chewing on a stray fragment of...Ch. 19 - Consider the following galvanic cell: What is the...Ch. 19 - Prob. 19.20ACh. 19 - What is the pH of the solution in the anode...Ch. 19 - Prob. 19.22ACh. 19 - Use the data in Table 19.1 to calculate the...Ch. 19 - Prob. 19.24ACh. 19 - Prob. 19.25PCh. 19 - Prob. 19.26ACh. 19 - In what ways are fuel cells and batteries similar,...Ch. 19 - Prob. 19.28PCh. 19 - The cell reaction in a hydrogen—oxygen fuel cell...Ch. 19 - Prob. 19.30PCh. 19 - Prob. 19.31PCh. 19 - A steam—hydrocarbon reforming process is one...Ch. 19 - Another method of hydrogen production is the...Ch. 19 - The following picture of a galvanic cell has lead...Ch. 19 - Prob. 19.35CPCh. 19 - Prob. 19.36CPCh. 19 - Prob. 19.37CPCh. 19 - Sketch a cell with inert electrodes suitable for...Ch. 19 - Prob. 19.39CPCh. 19 - Prob. 19.40CPCh. 19 - Consider the following galvanic cell with 0.10 M...Ch. 19 - Classify each of the following unbalanced...Ch. 19 - Classify each of the following unbalanced...Ch. 19 - Prob. 19.44SPCh. 19 - Prob. 19.45SPCh. 19 - Write unbalanced oxidation and reduction...Ch. 19 - Prob. 19.47SPCh. 19 - Balance the following half-reactions. (acidic)...Ch. 19 - Prob. 19.49SPCh. 19 - Write balanced net ionic equations for the...Ch. 19 - Write balanced net ionic equations for the...Ch. 19 - Write balanced net ionic equations for the...Ch. 19 - Prob. 19.53SPCh. 19 - Why is the cathode of a galvanic cell considered...Ch. 19 - What is the function of a salt bridge in a...Ch. 19 - Describe galvanic cells that use the following...Ch. 19 - Prob. 19.57SPCh. 19 - Write a balanced equation for the overall cell...Ch. 19 - Write the shorthand notation for a galvanic cell...Ch. 19 - Write the standard shorthand notation for a...Ch. 19 - Write the standard shorthand notation for a...Ch. 19 - An H2/H+ half-cell (anode) and an Ag+/Ag half-cell...Ch. 19 - A galvanic cell is constructed from a Zn/Zn2+...Ch. 19 - Write balanced equations for the electrode and...Ch. 19 - Prob. 19.65SPCh. 19 - What conditions must be met for a cell potential E...Ch. 19 - How are standard reduction potentials defined?Ch. 19 - The silver oxide-zinc battery used in watches...Ch. 19 - The standard cell potential for a lead storage...Ch. 19 - What is the value of x for the following reaction...Ch. 19 - Prob. 19.71SPCh. 19 - Use the standard free energies of formation in...Ch. 19 - Prob. 19.73SPCh. 19 - Arrange the following oxidizing agents in order of...Ch. 19 - Prob. 19.75SPCh. 19 - Consider the following substances:...Ch. 19 - Prob. 19.77SPCh. 19 - Consider the following substances:...Ch. 19 - Prob. 19.79SPCh. 19 - Use the data in Appendix D to predict whether the...Ch. 19 - Prob. 19.81SPCh. 19 - Prob. 19.82SPCh. 19 - What reaction can occur, if any, when the...Ch. 19 - The standard potential for the following galvanic...Ch. 19 - The following reaction has an Eo value of 0.27 V:...Ch. 19 - Prob. 19.86SPCh. 19 - Prob. 19.87SPCh. 19 - Prob. 19.88SPCh. 19 - Calculate Eo and Go (in kilojoules) for the...Ch. 19 - Calculate Eo for each of the following reactions,...Ch. 19 - Calculate Eo for each of the following reactions,...Ch. 19 - Consider a galvanic cell that uses the following...Ch. 19 - Given the following half-reactions and Eo values,...Ch. 19 - Consider a galvanic cell that uses the reaction...Ch. 19 - Consider a galvanic cell based on the reaction...Ch. 19 - Prob. 19.96SPCh. 19 - Prob. 19.97SPCh. 19 - What is the Zn2+:Cu2+ concentration ratio in the...Ch. 19 - What is the Fe2+:Sn2+ concentration ratio in the...Ch. 19 - The Nernst equation applies to both cell reactions...Ch. 19 - When suspected drunk drivers are tested with a...Ch. 19 - What is the reduction potential at 25o C for the...Ch. 19 - At one time on Earth, iron was present mostly as...Ch. 19 - Standard reduction potentials for the Pb2+/Pb and...Ch. 19 - Prob. 19.105SPCh. 19 - Prob. 19.106SPCh. 19 - Prob. 19.107SPCh. 19 - Prob. 19.108SPCh. 19 - Prob. 19.109SPCh. 19 - Use the data in Table 19.1 to calculate the...Ch. 19 - From standard reduction potentials, calculate the...Ch. 19 - Calculate the equilibrium constant at 25 oC for...Ch. 19 - Calculate the equilibrium constant at 25 oC for...Ch. 19 - Prob. 19.114SPCh. 19 - Prob. 19.115SPCh. 19 - Prob. 19.116SPCh. 19 - Prob. 19.117SPCh. 19 - Write a balanced equation for the overall cell...Ch. 19 - Prob. 19.119SPCh. 19 - You are on your dream vacation at the beach when a...Ch. 19 - A storm has knocked out power to your beach house,...Ch. 19 - For a lead storage battery: (a) Sketch one cell...Ch. 19 - A mercury battery uses the following electrode...Ch. 19 - Prob. 19.124SPCh. 19 - Prob. 19.125SPCh. 19 - Prob. 19.126SPCh. 19 - Prob. 19.127SPCh. 19 - Prob. 19.128SPCh. 19 - Prob. 19.129SPCh. 19 - Prob. 19.130SPCh. 19 - If the metal zinc were not available for the...Ch. 19 - Prob. 19.132SPCh. 19 - Prob. 19.133SPCh. 19 - Prob. 19.134SPCh. 19 - Prob. 19.135SPCh. 19 - Prob. 19.136SPCh. 19 - Predict the anode, cathode, and overall cell...Ch. 19 - Prob. 19.138SPCh. 19 - Prob. 19.139SPCh. 19 - Prob. 19.140SPCh. 19 - Prob. 19.141SPCh. 19 - Prob. 19.142SPCh. 19 - What is the metal ion in a metal nitrate solution...Ch. 19 - Prob. 19.144SPCh. 19 - Prob. 19.145SPCh. 19 - Prob. 19.146SPCh. 19 - Prob. 19.147SPCh. 19 - Consider the following half-reactions and Eo...Ch. 19 - Consider a galvanic cell that uses the following...Ch. 19 - Prob. 19.150MPCh. 19 - Prob. 19.151MPCh. 19 - Prob. 19.152MPCh. 19 - Prob. 19.153MPCh. 19 - Prob. 19.154MPCh. 19 - The reaction of MnO4- with oxalic acid (H2C2O4) in...Ch. 19 - Calculate the standard reduction potential for...Ch. 19 - Prob. 19.157MPCh. 19 - Prob. 19.158MPCh. 19 - Consider a galvanic cell that utilizes the...Ch. 19 - Prob. 19.160MPCh. 19 - Prob. 19.161MPCh. 19 - Prob. 19.162MPCh. 19 - Prob. 19.163MPCh. 19 - Consider the redox titration of 100.0 mL of a...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- One of the few industrial-scale processes that produce organic compounds electrochemically is used by the Monsanto Company to produce1,4-dicyanobutane. The reduction reaction is 2CH2CHCH+2H++2eNC(CH2)4CN The NC(CH2)4CN is then chemically reduced using hydrogen gas to H2N(CH2)6NH2, which is used in the production of nylon. What current must be used to produce 150.kg NC(CH2)4CN per hour?arrow_forwardFor the reaction Cu2+(aq) + Zn(s) → Cu(s) + Zn2+ (aq), why can’t you generate electric current by placing a piece of copper metal and a piece of zinc metal in a solution containing CuCl2(aq) and ZnCl2(aq)?arrow_forwardAn aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?arrow_forward
- The mass of three different metal electrodes, each from a different galvanic cell, were determined before and after the current generated by the oxidation-reduction reaction in each cell was allowed to flow for a few minutes. The first metal electrode, given the label A, was found to have increased in mass; the second metal electrode, given the label B, did not change in mass; and the third metal electrode, given the label C, was found to have lost mass. Make an educated guess as to which electrodes were active and which were inert electrodes, and which were anode(s) and which were the cathode(s).arrow_forwardAn electrolytic cell is set up with Cd(s) in Cd(NO3)2(aq) and Zn(s) in Zn(NO3)2(aq). Initially both electrodesweigh 5.00 g. After running the cell for several hours theelectrode in the left compartment weighs 4.75 g. (a) Which electrode is in the left compartment? (b) Does the mass of the electrode in the right compartmentincrease, decrease, or stay the same? If the masschanges, what is the new mass? (c) Does the volume of the electrode in the right compartment increase, decrease, or stay the same? If the volumechanges, what is the new volume? (The density of Cd is8.65 g/cm3.)arrow_forwardIdentify each statement as true or false. Rewrite each false statement to make it true. (a) Oxidation always occurs at the anode of an electrochemical cell. (b) The anode of a discharging voltaic cell is the site ofreduction and is negative. (c) Standard-state conditions for electrochemical cells are aconcentration of 1.0 M for dissolved species and a pressure of 1 bar for gases. (d) The potential of a voltaic cell does not change withtemperature. (e) All product-favored oxidation-reduction reactions have astandard cell potential Ecell, with a negative sign.arrow_forward
- An electrolysis experiment is performed to determine the value of the Faraday constant (number of coulombs per mole of electrons). In this experiment, 28.8 g of gold is plated out from a AuCN solution by running an electrolytic cell for two hours with a current of 2.00 A. What is the experimental value obtained for the Faraday Constant?arrow_forwardA voltaic cell is constructed in which one half-cell consists of a silver wire in an aqueous solution of AgNO3.The other half cell consists of an inert platinum wire in an aqueous solution containing Fe2+(aq) and Fe3+(aq). (a) Calculate the cell potential, assuming standard conditions. (b) Write the net ionic equation for the reaction occurring in the cell. (c) Which electrode is the anode and which is the cathode? (d) If [Ag+] is 0.10 M, and [Fe2+] and [Fe3+] are both 1.0 M, what is the cell potential? Is the net cell reaction still that used in part (a)? If not, what is the net reaction under the new conditions?arrow_forwardConsider a galvanic cell based on the following half-reactions: a. What is the expected cell potential with all components in their standard states? b. What is the oxidizing agent in the overall cell reaction? c. What substances make up the anode compartment? d. In the standard cell, in which direction do the electrons flow? e. How many electrons are transferred per unit of cell reaction? f. If this cell is set up at 25C with [Fe2+] = 2.00 104 M and [La3+] = 3.00 103 M, what is the expected cell potential?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Chemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry & Chemical Reactivity
Chemistry
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:Cengage Learning
General Chemistry - Standalone book (MindTap Cour...
Chemistry
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Electrolysis; Author: Tyler DeWitt;https://www.youtube.com/watch?v=dRtSjJCKkIo;License: Standard YouTube License, CC-BY