General Chemistry - Standalone book (MindTap Course List)
11th Edition
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
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Textbook Question
Chapter 19, Problem 19.123QP
An 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)?
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Chapter 19 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 19.1 - Iodic acid, HIO3, can be prepared by reading...Ch. 19.1 - Balance the following equation using the...Ch. 19.2 - A voltaic cell consists of a silversilver ion...Ch. 19.2 - If you were to construct a wet cell and decided to...Ch. 19.3 - Prob. 19.4ECh. 19.3 - Prob. 19.5ECh. 19.4 - What is the maximum electrical work, that can be...Ch. 19.5 - Prob. 19.7ECh. 19.5 - Prob. 19.8ECh. 19.5 - Prob. 19.9E
Ch. 19.5 - Prob. 19.2CCCh. 19.6 - Prob. 19.10ECh. 19.6 - Prob. 19.11ECh. 19.6 - Prob. 19.12ECh. 19.7 - What is the cell potential of the following...Ch. 19.7 - What is the nickel(II)-ion concentration in the...Ch. 19.7 - Prob. 19.3CCCh. 19.8 - Prob. 19.4CCCh. 19.9 - Write the half-reactions for the electrolysis of...Ch. 19.10 - Prob. 19.16ECh. 19.11 - A constant electric current deposits 365 mg of...Ch. 19.11 - How many grams of oxygen are liberated by the...Ch. 19 - Describe the difference between a voltaic cell and...Ch. 19 - Prob. 19.2QPCh. 19 - What is the SI unit of electrical potential?Ch. 19 - Define the faraday.Ch. 19 - Why is it necessary to measure the voltage of a...Ch. 19 - Prob. 19.6QPCh. 19 - Prob. 19.7QPCh. 19 - Prob. 19.8QPCh. 19 - Prob. 19.9QPCh. 19 - Prob. 19.10QPCh. 19 - Prob. 19.11QPCh. 19 - Prob. 19.12QPCh. 19 - Prob. 19.13QPCh. 19 - Prob. 19.14QPCh. 19 - Prob. 19.15QPCh. 19 - Prob. 19.16QPCh. 19 - Briefly explain why different products are...Ch. 19 - Prob. 19.18QPCh. 19 - Prob. 19.19QPCh. 19 - What half-reaction would be expected to occur at...Ch. 19 - Prob. 19.21QPCh. 19 - The voltaic cell is represented as...Ch. 19 - Electrochemical Cells I You have the following...Ch. 19 - Electrochemical Cells II Consider this cell...Ch. 19 - Prob. 19.25QPCh. 19 - Prob. 19.26QPCh. 19 - Prob. 19.27QPCh. 19 - Prob. 19.28QPCh. 19 - Prob. 19.29QPCh. 19 - Prob. 19.30QPCh. 19 - Prob. 19.31QPCh. 19 - You have 1.0 M solutions of Al(NO3)3 and AgNO3...Ch. 19 - The zinc copper voltaic cell shown with this...Ch. 19 - The development of lightweight batteries is an...Ch. 19 - Prob. 19.35QPCh. 19 - Prob. 19.36QPCh. 19 - Balance the following oxidationreduction...Ch. 19 - Balance the following oxidationreduction...Ch. 19 - Balance the following oxidationreduction...Ch. 19 - Prob. 19.40QPCh. 19 - Balance the following oxidationreduction...Ch. 19 - Prob. 19.42QPCh. 19 - A voltaic cell is constructed from the following...Ch. 19 - Half-cells were made from a nickel rod dipping in...Ch. 19 - Zinc react spontaneously with silver ion....Ch. 19 - Prob. 19.46QPCh. 19 - A silver oxidezinc cell maintains a fairly...Ch. 19 - A mercury battery, used for hearing aids and...Ch. 19 - Write the cell notation for a voltaic cell with...Ch. 19 - Write the cell notation for a voltaic cell with...Ch. 19 - Give the notation for a voltaic cell constructed...Ch. 19 - A voltaic cell has an iron rod in 0.30 M iron(III)...Ch. 19 - Prob. 19.53QPCh. 19 - Write the overall cell reaction for the following...Ch. 19 - Consider the voltaic cell...Ch. 19 - Consider the voltaic cell...Ch. 19 - A voltaic cell whose cell reaction is...Ch. 19 - A particular voltaic cell operates on the reaction...Ch. 19 - What is the maximum work you can obtain from 30.0...Ch. 19 - Calculate the maximum work available from 50.0 g...Ch. 19 - Order the following oxidizing agents by increasing...Ch. 19 - Order the following oxidizing agents by increasing...Ch. 19 - Consider the reducing agents Cu+(aq), Zn(s), and...Ch. 19 - Prob. 19.64QPCh. 19 - Prob. 19.65QPCh. 19 - Answer the following questions by referring to...Ch. 19 - Prob. 19.67QPCh. 19 - Dichromate ion, Cr2O72, is added to an acidic...Ch. 19 - Calculate the standard cell potential of the...Ch. 19 - Calculate the standard cell potential of the...Ch. 19 - What is the standard cell potential you would...Ch. 19 - What is the standard cell potential you would...Ch. 19 - Calculate the standard free-energy change at 25C...Ch. 19 - Calculate the standard free-energy change at 25C...Ch. 19 - What is G for the following reaction?...Ch. 19 - Prob. 19.76QPCh. 19 - Calculate the standard cell potential at 25C for...Ch. 19 - Calculate the standard cell potential at 25C for...Ch. 19 - Prob. 19.79QPCh. 19 - Calculate the standard cell potential of the cell...Ch. 19 - Calculate the equilibrium constant K for the...Ch. 19 - Calculate the equilibrium constant K for the...Ch. 19 - Copper(I) ion can act as both an oxidizing agent...Ch. 19 - Prob. 19.84QPCh. 19 - Calculate the cell potential of the following cell...Ch. 19 - What is the cell potential of the following cell...Ch. 19 - Calculate the cell potential of a cell operating...Ch. 19 - Calculate the cell potential of a cell operating...Ch. 19 - The voltaic cell Cd(s)Cd2+(aq)Ni2+(1.0M)Ni(s) has...Ch. 19 - The cell potential of the following cell at 25C is...Ch. 19 - What are the half-reactions in the electrolysis of...Ch. 19 - What are the half-reactions in the electrolysis of...Ch. 19 - Describe what you expect to happen when the...Ch. 19 - Prob. 19.94QPCh. 19 - In the commercial preparation of aluminum,...Ch. 19 - Chlorine, Cl2, is produced commercially by the...Ch. 19 - When molten lithium chloride, LiCl, is...Ch. 19 - How many grams of cadmium are deposited from an...Ch. 19 - Some metals, such as iron, can be oxidized to more...Ch. 19 - Some metals, such as thallium, can be oxidized to...Ch. 19 - Balance the following skeleton equations. The...Ch. 19 - Prob. 19.102QPCh. 19 - Prob. 19.103QPCh. 19 - Prob. 19.104QPCh. 19 - Prob. 19.105QPCh. 19 - Give the notation for a voltaic cell whose overall...Ch. 19 - Prob. 19.107QPCh. 19 - Use electrode potentials to answer the following...Ch. 19 - Prob. 19.109QPCh. 19 - Prob. 19.110QPCh. 19 - a Calculate the equilibrium constant for the...Ch. 19 - Prob. 19.112QPCh. 19 - How many faradays are required for each of the...Ch. 19 - Prob. 19.114QPCh. 19 - In an analytical determination of arsenic, a...Ch. 19 - Prob. 19.116QPCh. 19 - Prob. 19.117QPCh. 19 - Prob. 19.118QPCh. 19 - A solution of copper(II) sulfate is electrolyzed...Ch. 19 - A potassium chloride solution is electrolyzed by...Ch. 19 - A constant current of 1.40 amp is passed through...Ch. 19 - A constant current of 1.25 amp is passed through...Ch. 19 - An aqueous solution of an unknown salt of gold is...Ch. 19 - An aqueous solution of an unknown salt of vanadium...Ch. 19 - An electrochemical cell is made by placing a zinc...Ch. 19 - An electrochemical cell is made by placing an iron...Ch. 19 - Prob. 19.127QPCh. 19 - a Calculate G for the following cell reaction:...Ch. 19 - Prob. 19.129QPCh. 19 - Prob. 19.130QPCh. 19 - A voltaic cell is constructed from a half-cell in...Ch. 19 - Prob. 19.132QPCh. 19 - Prob. 19.133QPCh. 19 - Order the following oxidizing agents by increasing...Ch. 19 - What is the cell potential (Ecell) of a...Ch. 19 - Prob. 19.136QPCh. 19 - Which of the following reactions occur...Ch. 19 - Prob. 19.138QPCh. 19 - The following two half-reactions arc involved in a...Ch. 19 - Prob. 19.140QPCh. 19 - Prob. 19.141QPCh. 19 - A 1.0-L sample of 1.0 M HCl solution has a 10.0 A...Ch. 19 - Consider the following cell running under standard...Ch. 19 - Prob. 19.144QPCh. 19 - Prob. 19.145QPCh. 19 - Prob. 19.146QPCh. 19 - Consider the following cell reaction at 25C....Ch. 19 - Consider the following cell reaction at 25C....Ch. 19 - Prob. 19.149QPCh. 19 - Prob. 19.150QPCh. 19 - Prob. 19.151QPCh. 19 - Prob. 19.152QPCh. 19 - An electrode is prepared by dipping a silver strip...Ch. 19 - An electrode is prepared from liquid mercury in...
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