Student Solutions Manual for Ebbing/Gammon's General Chemistry
11th Edition
ISBN: 9781305886780
Author: Darrell Ebbing; Steven D. Gammon
Publisher: Cengage Learning US
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Textbook Question
Chapter 19, Problem 19.143QP
Consider the following cell running under standard conditions:
- a Is this a voltaic cell?
- b Which species is being reduced during the
chemical reaction ? - c Which species is the oxidizing agent?
- d What happens to the concentration of Fe3+(aq) as the reaction proceeds?
- e How does the mass of Al(s) change as the reaction proceeds?
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Free Response Questions
FRQ 1:
0/5
To spectrophotometrically determine the mass percent of cobalt in an ore containing cobalt and
some inert materials, solutions with known [Co?) are prepared and absorbance of each of the
solutions is measured at the wavelength of optimum absorbance. The data are used to create a
calibration plot, shown below.
0.90-
0.80-
0.70
0.60
0.50
0.40-
0.30
0.20-
0.10-
0.00-
0.005
0.010
Concentration (M)
0.015
A 0.630 g sample of the ore is completely dissolved in concentrated HNO3(aq). The mixture is diluted
with water to a final volume of 50.00 ml. Assume that all the cobalt in the ore sample is converted to
Co2+(aq).
a. What is the [Co2] in the solution if the absorbance of a sample of the solution is 0.74?
13
✗
b. Calculate the number of moles of Co2+(aq) in the 50.00 mL solution.
0.008 mols Co
Please correct answer and don't used hand raiting
Please correct answer and don't used hand raiting
Chapter 19 Solutions
Student Solutions Manual for Ebbing/Gammon's General Chemistry
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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