Science
ChemistryChemistryThe measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25 00°C is given by the equation where contains the potential of the reference electrode and all other potentials that arise in the cell that are not related to the hydrogen ion concentration. Assume that = 0.250 V and that a. What is the uncertainty in the values of pH and [H + ] if the uncertainty in the measured potential is ±1 m V (± 0.001 V)? b. To what precision must the potential be measured for the uncertainty in pH to be ± 0.02 pH unit?

The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25 00°C is given by the equation where contains the potential of the reference electrode and all other potentials that arise in the cell that are not related to the hydrogen ion concentration. Assume that = 0.250 V and that a. What is the uncertainty in the values of pH and [H + ] if the uncertainty in the measured potential is ±1 m V (± 0.001 V)? b. To what precision must the potential be measured for the uncertainty in pH to be ± 0.02 pH unit?

BuyFind

Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097
BuyFind

Chemistry

9th Edition
Steven S. Zumdahl
Publisher: Cengage Learning
ISBN: 9781133611097

Solutions

Chapter
Section
Problem 1RQ
Problem 2RQ
Problem 3RQ
Problem 4RQ
Problem 5RQ
Problem 6RQ
Problem 7RQ
Problem 8RQ
Problem 9RQ
Problem 1ALQ
Problem 2ALQ
Problem 3ALQ
Problem 4ALQ
Problem 5ALQ
Problem 6ALQ
Problem 7ALQ
Problem 8ALQ
Problem 9ALQ
Problem 10ALQ
Problem 11ALQ
Problem 12ALQ
Problem 13ALQ
Problem 14ALQ
Problem 15RORR
Problem 16RORR
Problem 17RORR
Problem 18RORR
Problem 19Q
Problem 20Q
Problem 21Q
Problem 22Q
Problem 23Q
Problem 24Q
Problem 25Q
Problem 26Q
Problem 27Q
Problem 28Q
Problem 29E
Problem 30E
Problem 31E
Problem 32E
Problem 33E
Problem 34E
Problem 35E
Problem 36E
Problem 37E
Problem 38E
Problem 39E
Problem 40E
Problem 41E
Problem 42E
Problem 43E
Problem 44E
Problem 45E
Problem 46E
Problem 47E
Problem 48E
Problem 49E
Problem 50E
Problem 51E
Problem 52E
Problem 53E
Problem 54E
Problem 55E
Problem 56E
Problem 57E
Problem 58E
Problem 59E
Problem 60E
Problem 61E
Problem 62E
Problem 63E
Problem 64E
Problem 65E
Problem 66E
Problem 68E
Problem 69E
Problem 70E
Problem 71E
Problem 72E
Problem 73E
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Problem 75E
Problem 76E
Problem 77E
Problem 78E
Problem 79E
Problem 80E
Problem 81E
Problem 82E
Problem 83E
Problem 84E
Problem 85E
Problem 86E
Problem 87E
Problem 88E
Problem 89E
Problem 90E
Problem 91E
Problem 92E
Problem 93E
Problem 94E
Problem 95E
Problem 96E
Problem 97E
Problem 98E
Problem 99E
Problem 100E
Problem 101E
Problem 102E
Problem 103E
Problem 104E
Problem 105E
Problem 106E
Problem 107E
Problem 108E
Problem 109E
Problem 110E
Problem 111E
Problem 112E
Problem 113AE
Problem 114AE
Problem 115AE
Problem 116AE
Problem 117AE
Problem 118AE
Problem 119AE
Problem 120AE
Problem 121AE
Problem 122AE
Problem 123AE
Problem 124AE
Problem 125AE
Problem 126AE
Problem 127AE
Problem 128AE
Problem 129AE
Problem 130AE
Problem 131AE
Problem 132AE
Problem 133AE
Problem 134CWP
Problem 135CWP
Problem 136CWP
Problem 137CWP
Problem 138CWP
Problem 139CWP
Problem 140CP
Problem 141CP
Problem 142CP
Problem 143CP
Problem 144CP
Problem 145CP
Problem 146CP
Problem 147CP
Problem 148CP
Problem 149CP
Problem 150CP
Problem 151CP
Problem 152CP
Problem 153CP
Problem 154CP
Problem 155IP
Problem 156IP
Problem 157IP
Problem 158IP
Problem 159MP
Problem 160MP
Chapter 18, Problem 147CP
Textbook Problem

The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25 00°C is given by the equation

Chapter 18, Problem 147CP, The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a , example 1

where Chapter 18, Problem 147CP, The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a , example 2 contains the potential of the reference electrode and all other potentials that arise in the cell that are not related to the hydrogen ion concentration. Assume that Chapter 18, Problem 147CP, The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a , example 3 = 0.250 V and that Chapter 18, Problem 147CP, The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a , example 4

a. What is the uncertainty in the values of pH and [H+] if the uncertainty in the measured potential is ±1 m V (± 0.001 V)?

b. To what precision must the potential be measured for the uncertainty in pH to be ± 0.02 pH unit?

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Chapter 18,
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Chapter 18,
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Chapter 18 Solutions

Chemistry
Ch. 18 - What is a half-reaction? Why must the number of...Ch. 18 - Galvanic cells harness spontaneous...Ch. 18 - Table 17-1 lists common half-reactions along with...Ch. 18 - Consider the equation G = -nF. What are the four...Ch. 18 - The Nernst equation allows determination of the...Ch. 18 - What are concentration cells? What is in a...Ch. 18 - Batteries are galvanic cells. What happens to as a...Ch. 18 - Not all spontaneous redox reactions produce...Ch. 18 - What characterizes an electrolytic cell? What is...Ch. 18 - Sketch a galvanic cell, and explain how it works....
Ch. 18 - In making a specific galvanic cell, explain how...Ch. 18 - You want to plate out nickel metal from a nickel...Ch. 18 - A copper penny can be dissolved in nitric acid but...Ch. 18 - Sketch a cell that forms iron metal from iron(II)...Ch. 18 - Which of the following is the best reducing agent:...Ch. 18 - You are told that metal A is a better reducing...Ch. 18 - Explain the following relationships: G and w, cell...Ch. 18 - Explain why cell potentials are not multiplied by...Ch. 18 - What is the difference between and ? When is equal...Ch. 18 - Consider the following galvanic cell: What happens...Ch. 18 - Look up the reduction potential for Fe3+ to Fe2+....Ch. 18 - If the cell potential is proportional to work and...Ch. 18 - Is the following statement true or false?...Ch. 18 - Define oxidation and reduction in terms of both...Ch. 18 - Assign oxidation numbers to all the atoms in each...Ch. 18 - Specify which of the following equations represent...Ch. 18 - The Ostwald process for the commercial production...Ch. 18 - What is electrochemistry? What are redox...Ch. 18 - When balancing equations in Chapter 3, we did not...Ch. 18 - When magnesium metal is added to a beaker of...Ch. 18 - How can one construct a galvanic cell from two...Ch. 18 - The free energy change for a reaction, G, is an...Ch. 18 - What is wrong with the following statement: The...Ch. 18 - When jump-starting a car with a dead battery, the...Ch. 18 - In theory, most metals should easily corrode in...Ch. 18 - Consider the electrolysis of a molten salt of some...Ch. 18 - Consider the following electrochemical cell: a. If...Ch. 18 - Balance the following oxidationreduction reactions...Ch. 18 - Balance the following oxidationreduction reactions...Ch. 18 - Balance the following oxidationreduction reactions...Ch. 18 - Balance the following oxidationreduction reactions...Ch. 18 - Chlorine gas was first prepared in 1774 by C. W....Ch. 18 - Gold metal will not dissolve in either...Ch. 18 - Consider the following galvanic cell: Label the...Ch. 18 - Consider the following galvanic cell: a. Label the...Ch. 18 - Sketch the galvanic cells based on the following...Ch. 18 - Sketch the galvanic cells based on the following...Ch. 18 - Calculate values for the galvanic cells in...Ch. 18 - Calculate values for the galvanic cells in...Ch. 18 - Sketch the galvanic cells based on the following...Ch. 18 - Sketch the galvanic cells based on the following...Ch. 18 - Give the standard line notation for each cell in...Ch. 18 - Give the standard line notation for each cell in...Ch. 18 - Consider the following galvanic cells: For each...Ch. 18 - Give the balanced cell equation and determine for...Ch. 18 - Calculate values for the following g cells. Which...Ch. 18 - Calculate values for the following cells. Which...Ch. 18 - Chlorine dioxide (C1O2), which is produced by the...Ch. 18 - The amount of manganese in steel is determined by...Ch. 18 - Calculate the maximum amount of work that can be...Ch. 18 - Calculate the maximum amount of work that can be...Ch. 18 - Estimate for the half-reaction 2H2O+2eH2+2OH given...Ch. 18 - The equation G = nF also can be applied to...Ch. 18 - Glucose is the major fuel for most living cells....Ch. 18 - Direct methanol fuel cells (DMFCs) have shown some...Ch. 18 - Using data from Table 18.1, place the following in...Ch. 18 - Using data from Table 18.1, place the following in...Ch. 18 - Answer the following questions using data from...Ch. 18 - Answer the following questions using data from...Ch. 18 - Consider only the species (at standard conditions)...Ch. 18 - Consider only the species (at standard conditions)...Ch. 18 - Use the table of standard reduction potentials...Ch. 18 - Use the table of standard reduction potentials...Ch. 18 - Hydrazine is somewhat toxic. Use the...Ch. 18 - The compound with the formula TII3 is a black...Ch. 18 - Consider the concentration cell in Fig. 17-10. If...Ch. 18 - Consider the concentration cell shown below....Ch. 18 - Consider a concentration cell similar to the one...Ch. 18 - The overall reaction in the lead storage battery...Ch. 18 - Calculate the pH of the cathode compartment for...Ch. 18 - Consider the cell described below:...Ch. 18 - Consider the cell described below:...Ch. 18 - Calculate G and K at 25C for the reactions in...Ch. 18 - Calculate G and K at 25C for the reactions in...Ch. 18 - Consider the galvanic cell based on the following...Ch. 18 - Consider the galvanic cell based on the following...Ch. 18 - An electrochemical cell consists of a standard...Ch. 18 - An electrochemical cell consists of a nickel metal...Ch. 18 - An electrochemical cell consists of a standard...Ch. 18 - An electrochemical cell consists of a nickel metal...Ch. 18 - Consider a concentration cell that has both...Ch. 18 - You have a concentration cell in which the cathode...Ch. 18 - Under standard conditions, what reaction occurs,...Ch. 18 - A disproportionation reaction involves a substance...Ch. 18 - Consider the following galvanic cell at 25C:...Ch. 18 - An electrochemical cell consists of a silver metal...Ch. 18 - Calculate Ksp for iron(II) sulfied given the...Ch. 18 - For the following half-reaction, = 2.07 V:...Ch. 18 - Calculate for the following half-reaction:...Ch. 18 - The solubility product for CuI(s) is 1.1 102...Ch. 18 - How long will it take to plate out each of the...Ch. 18 - The electrolysis of BiO+ produces pure bismuth....Ch. 18 - What mass of each of the following substances can...Ch. 18 - Aluminum is produced commercially by the...Ch. 18 - An unknown metal M is electrolyzed. It took 74.1 s...Ch. 18 - Electrolysis of an alkaline earth metal chloride...Ch. 18 - What volume of F2 gas, at 25C and 1.00 atm, is...Ch. 18 - What volumes of H2(g) and O2(g) at STP are...Ch. 18 - A single HallHeroult cell (as shown in Fig. 17-22)...Ch. 18 - A factory wants to produce 1.00 103 kg barium...Ch. 18 - It took 2.30 min using a current of 2.00 A to...Ch. 18 - A solution containing Pt4+ is electrolyzed with a...Ch. 18 - A solution at 25C contains 1.0 M Cd2+, 1.0 M Ag+,...Ch. 18 - Consider the following half-reactions:...Ch. 18 - In the electrolysis of an aqueous solution of...Ch. 18 - Copper can be plated onto a spoon by placing the...Ch. 18 - What reactions take place at the cathode and the...Ch. 18 - What reaction will take place at the Cathode and...Ch. 18 - What reactions take place at the cathode and the...Ch. 18 - What reaction will take place at the Cathode and...Ch. 18 - Gold is produced electrochemically from an aqueous...Ch. 18 - The blood alcohol (C2H5OH) level can be determined...Ch. 18 - The saturated calomel electrode. abbreviated SCE....Ch. 18 - Consider the following half-reactions: Explain why...Ch. 18 - Consider the standard galvanic cell based on the...Ch. 18 - A standard galvanic cell is constructed so that...Ch. 18 - The black silver sulfide discoloration of...Ch. 18 - In 1973 the wreckage of the Civil War ironclad USS...Ch. 18 - When aluminum foil is placed in hydrochloric acid,...Ch. 18 - Which of the following statements concerning...Ch. 18 - A fuel cell designed to react grain alcohol with...Ch. 18 - The overall reaction and equilibrium constant...Ch. 18 - What is the maximum work that can be obtained from...Ch. 18 - The overall reaction and standard cell potential...Ch. 18 - An experimental fuel cell has been designed that...Ch. 18 - The ultimate electron acceptor in the respiration...Ch. 18 - One of the few industrial-scale processes that...Ch. 18 - It took 150. s for a current of 1.25 A to plate...Ch. 18 - It takes 15 kWh (kilowatt-hours) of electrical...Ch. 18 - In the electrolysis of a sodium chloride solution,...Ch. 18 - An aqueous solution of an unknown salt of...Ch. 18 - Which of the following statement(s) is/are true?...Ch. 18 - Consider a galvanic cell based on the following...Ch. 18 - Consider a galvanic cell based on the following...Ch. 18 - Consider a galvanic cell based on the following...Ch. 18 - An electrochemical cell consists of a silver metal...Ch. 18 - An aqueous solution of PdCl2 is electrolyzed for...Ch. 18 - Balance the following equations by the...Ch. 18 - Combine the equations to derive an expression for...Ch. 18 - The overall reaction in the lead storage battery...Ch. 18 - Consider the following galvanic cell: Calculate...Ch. 18 - A zinc-copper battery is constructed at follows at...Ch. 18 - A galvanic cell is based on the following...Ch. 18 - Consider a cell based on the following...Ch. 18 - The measurement of pH using a glass electrode...Ch. 18 - You have a concentration cell with Cu electrodes...Ch. 18 - A galvanic cell is based on the following...Ch. 18 - Given the following two standard reduction...Ch. 18 - Consider the following galvanic cell: Calculate...Ch. 18 - A chemist wishes to determine the concentration of...Ch. 18 - Consider the following galvanic cell: A 15 0-mole...Ch. 18 - When copper reacts with nitric acid, a mixture of...Ch. 18 - The following standard reduction potentials have...Ch. 18 - An electrochemical cell is set up using the...Ch. 18 - Three electrochemical cells were connected in...Ch. 18 - A silver concentration cell is set up at 25C as...Ch. 18 - A galvanic cell is based on the following...Ch. 18 - The table below lists the cell potentials for the...

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