CHEM: STRUC & PROP (LL) >CUST PKG<
2nd Edition
ISBN: 9780137390977
Author: Tro
Publisher: PEARSON C
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 19, Problem 85E
Interpretation Introduction
(a)
To determine:
Anode, cathode and half reactions which occurs.
Interpretation Introduction
(b)
To determine:
The direction of electron flow.
Interpretation Introduction
(c)
To determine:
Indicate the negative and positive terminals of the battery and minimum voltage for the cell
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Calculating standard reaction free energy from standard reduction...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG° for the following redox reaction.
Be sure your answer has the correct number of significant digits.
3+
H2(g)+2OH¯ (aq) + 2Fe³+ (aq) → 2H₂O (1)+2Fe²+ (aq)
0
kJ
x10
Х
?
olo
18
Ar
Calculating the pH of a weak base titrated with a strong acid
An analytical chemist is titrating 184.2 mL of a 0.7800M solution of dimethylamine ((CH3)
NH with a 0.3000M solution of HClO4. The pK₁ of
dimethylamine is 3.27. Calculate the pH of the base solution after the chemist has added 424.1 mL of the HClO solution to it.
2
4
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HClO 4 solution added.
Round your answer to 2 decimal places.
pH = ☐
☑
?
000
18
Ar
1
B
Using the Nernst equation to calculate nonstandard cell voltage
A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction:
MnO2 (s)+4H* (aq)+2Cr²+ (aq) → Mn²+ (aq)+2H₂O (1)+2Cr³+ (aq)
+
2+
2+
3+
Suppose the cell is prepared with 7.44 M H* and 0.485 M Cr²+ in one half-cell and 7.92 M Mn² and 3.73 M Cr³+ in the other.
Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.
☐
x10
μ
Х
5
?
000
日。
Chapter 19 Solutions
CHEM: STRUC & PROP (LL) >CUST PKG<
Ch. 19 - Prob. 1ECh. 19 - Explain the difference between a voltaic (or...Ch. 19 - Prob. 3ECh. 19 - Prob. 4ECh. 19 - Prob. 5ECh. 19 - Prob. 6ECh. 19 - What is the definition of the standard cell...Ch. 19 - Describe the basic features of a cell diagram (or...Ch. 19 - Why do some electrochemical cells employ inert...Ch. 19 - Describe the standard hydrogen electrode (SHE) and...
Ch. 19 - How is the cell potential of an electrochemical...Ch. 19 - Prob. 12ECh. 19 - Prob. 13ECh. 19 - How can Table 19.1be used to predict whether or...Ch. 19 - Explain why Ecell , Grxn , and K are all...Ch. 19 - Does a redox reaction with a small equilibrium...Ch. 19 - How does Ecell depend on the concentrations of the...Ch. 19 - Prob. 18ECh. 19 - What is a concentration electrochemical cell?Ch. 19 - What are the anode and cathode reactions in a...Ch. 19 - What are the anode and cathode reactions in a...Ch. 19 - Prob. 22ECh. 19 - What is a fuel cell? What is the most common type...Ch. 19 - The anode of an electrolytic cell must be...Ch. 19 - What species is oxidized, and what species is...Ch. 19 - If an electrolytic cell contains a mixture of...Ch. 19 - Why does the electrolysis of an aqueous sodium...Ch. 19 - What is overvoltage in an electrochemical cell?...Ch. 19 - How is the amount of current flowing through an...Ch. 19 - Prob. 30ECh. 19 - Prob. 31ECh. 19 - Prob. 32ECh. 19 - Balance each redox reaction occurring in acidic...Ch. 19 - Prob. 34ECh. 19 - Balance each redox reaction occurring in acidic...Ch. 19 - Prob. 36ECh. 19 - Prob. 37ECh. 19 - Balance each redox reaction occurring in basic...Ch. 19 - Prob. 39ECh. 19 - Prob. 40ECh. 19 - Calculate the standard cell potential for each of...Ch. 19 - Prob. 42ECh. 19 - Consider the voltaic cell: Determine the direction...Ch. 19 - Prob. 44ECh. 19 - Use line notation to represent each...Ch. 19 - Use line notation to represent each...Ch. 19 - a sketch of the voltaic cell represented by the...Ch. 19 - Prob. 48ECh. 19 - Determine whether or not each redox reaction...Ch. 19 - Prob. 50ECh. 19 - Which metal could you use to reduce Mn2+ ions but...Ch. 19 - Prob. 52ECh. 19 - Prob. 53ECh. 19 - Prob. 54ECh. 19 - Prob. 55ECh. 19 - Prob. 56ECh. 19 - Calculate Ecell for each balanced redox reaction...Ch. 19 - Prob. 58ECh. 19 - Prob. 59ECh. 19 - Which metal is the best reducing agent? Mn Al Ni...Ch. 19 - Use tabulated electrode potentials to calculate...Ch. 19 - Use tabulated electrode potentials to calculate...Ch. 19 - Prob. 63ECh. 19 - Calculate the equilibrium constant for each of the...Ch. 19 - Calculate the equilibrium constant for the...Ch. 19 - Prob. 66ECh. 19 - Calculate Grxn and Ecell for a redox reaction with...Ch. 19 - Prob. 68ECh. 19 - Prob. 69ECh. 19 - Prob. 70ECh. 19 - Prob. 71ECh. 19 - Prob. 72ECh. 19 - Prob. 73ECh. 19 - Prob. 74ECh. 19 - Prob. 75ECh. 19 - Consider the concentration cell: Label the anode...Ch. 19 - Prob. 77ECh. 19 - Prob. 78ECh. 19 - Prob. 79ECh. 19 - Prob. 80ECh. 19 - Refer to the tabulated values of Gf in Appendix...Ch. 19 - Refer to the tabulated values of Gf in Appendix...Ch. 19 - Prob. 83ECh. 19 - Prob. 84ECh. 19 - Prob. 85ECh. 19 - Prob. 86ECh. 19 - Prob. 87ECh. 19 - Which products are obtained in the electrolysis of...Ch. 19 - Write equations for the half-reactions that occur...Ch. 19 - Which products are obtained in the electrolysis of...Ch. 19 - Prob. 91ECh. 19 - Write equations for the half-reactions that occur...Ch. 19 - Prob. 93ECh. 19 - Prob. 94ECh. 19 - Prob. 95ECh. 19 - Silver can be electroplated at the cathode of an...Ch. 19 - A major source of sodium metal is the electrolysis...Ch. 19 - Prob. 98ECh. 19 - Prob. 99ECh. 19 - Prob. 100ECh. 19 - Consider the molecular view of an AL strip and...Ch. 19 - Consider the molecular view of an electrochemical...Ch. 19 - Prob. 103ECh. 19 - Prob. 104ECh. 19 - The cell potential of this electrochemical cell...Ch. 19 - Prob. 106ECh. 19 - Prob. 107ECh. 19 - Consider the reaction shown here occurring at...Ch. 19 - Prob. 109ECh. 19 - What voltage can theoretically be achieved in a...Ch. 19 - A battery relies on the oxidation of magnesium and...Ch. 19 - A rechargeable battery is constructed based on a...Ch. 19 - If a water electrolysis cell operates at a current...Ch. 19 - Prob. 114ECh. 19 - Prob. 115ECh. 19 - Prob. 116ECh. 19 - Calculate Grxn and K for each reaction. The...Ch. 19 - Calculate Grxn and K for each reaction. The...Ch. 19 - The molar mass of a metal (M) is 50.9 g/mol; it...Ch. 19 - A metal forms the fluoride MF3. Electrolysis of...Ch. 19 - A sample of impure tin of mass 0.535 g is...Ch. 19 - Prob. 122ECh. 19 - Prob. 123ECh. 19 - A 215 mL sample of a 0.500 M NaCl solution with an...Ch. 19 - Prob. 125ECh. 19 - Prob. 126ECh. 19 - Prob. 127ECh. 19 - Prob. 128ECh. 19 - Prob. 129ECh. 19 - Prob. 130ECh. 19 - Prob. 131ECh. 19 - Three electrolytic cells are connected in a...Ch. 19 - Prob. 133ECh. 19 - Prob. 134ECh. 19 - Prob. 135ECh. 19 - Prob. 136ECh. 19 - Prob. 137ECh. 19 - Prob. 138ECh. 19 - Prob. 139ECh. 19 - Prob. 140ECh. 19 - Design a device that uses as electrochemical cell...Ch. 19 - Using a library or the Internet, research a fuel...Ch. 19 - Prob. 143ECh. 19 - Balance the redox reaction equation (occurring in...Ch. 19 - Prob. 2SAQCh. 19 - Prob. 3SAQCh. 19 - Refer to Table 19.1 to determine which statement...Ch. 19 - Prob. 5SAQCh. 19 - The Zn/Zn2+ electrode has a standard electrode...Ch. 19 - Refer to Table 19.1 to calculate G for the...Ch. 19 - A redox reaction has an Ecell=0.56V . What can you...Ch. 19 - Prob. 9SAQCh. 19 - Prob. 10SAQCh. 19 - Prob. 11SAQCh. 19 - Prob. 12SAQCh. 19 - Which reaction occurs at the cathode of an...Ch. 19 - Copper is plated onto the cathode of an...Ch. 19 - Prob. 15SAQ
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
- Calculating standard reaction free energy from standard reduction... Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG° for the following redox reaction. Be sure your answer has the correct number of significant digits. NO (g) +H₂O (1) + Cu²+ (aq) → HNO₂ (aq) +H* (aq)+Cu* (aq) kJ - ☐ x10 x10 olo 18 Ararrow_forwardCalculating the pH of a weak base titrated with a strong acid b An analytical chemist is titrating 116.9 mL of a 0.7700M solution of aniline (C6H5NH2) with a 0.5300M solution of HNO3. The pK of aniline is 9.37. Calculate the pH of the base solution after the chemist has added 184.2 mL of the HNO 3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. pH = ☐ ☑ 5arrow_forwardQUESTION: Find the standard deviation for the 4 different groups 5.298 3.977 223.4 148.7 5.38 4.24 353.7 278.2 5.033 4.044 334.6 268.7 4.706 3.621 305.6 234.4 4.816 3.728 340.0 262.7 4.828 4.496 304.3 283.2 4.993 3.865 244.7 143.6 STDEV = STDEV = STDEV = STDEV =arrow_forward
- QUESTION: Fill in the answers in the empty green boxes regarding 'Question 5: Calculating standard error of regression' *The images of the data showing 'coefficients for the standard curve' have been providedarrow_forwardUsing the Nernst equation to calculate nonstandard cell voltage Try Again Your answer is wrong. In addition to checking your math, check that you used the right data and DID NOT round any intermediate calculations. A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2+ 2+ Sn²+ Ba(s) (aq) + Ba (s) Sn (s) + Ba²+ (aq) →>> Suppose the cell is prepared with 6.10 M Sn 2+ 2+ in one half-cell and 6.62 M Ba in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. 1.71 V ☐ x10 ☑ 5 0/5 ? 00. 18 Ararrow_forwardQuestion: Find both the b (gradient) and a (y-intercept) value from the list of data below: (x1 -x̄) 370.5 (y1 - ȳ) 5.240 (x2 - x̄) 142.5 (y2 - ȳ) 2.004 (x3 - x̄) 28.5 (y3 - ȳ) 0.390 (x4 - x̄) -85.5 (y4 - ȳ) -1.231 (x5 - x̄) -199.5 (y5 - ȳ) -2.829 (x6 - x̄) -256.5 (y6 - ȳ) -3.575arrow_forward
- Calculating standard reaction free energy from standard reduction... Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG° for the following redox reaction. Be sure your answer has the correct number of significant digits. 3Cu+ (aq) + Cro²¯ (aq) +4H₂O (1) → 3Cu²+ (aq) +Cr(OH)3 (s)+5OH˜¯ (aq) 0 kJ ☐ x10 00. 18 Ararrow_forwardCalculating the pH of a weak base titrated with a strong acid An analytical chemist is titrating 241.7 mL of a 0.4900M solution of methylamine (CH3NH2) with a 0.7800M solution of HNO3. The pK of methylamine is 3.36. Calculate the pH of the base solution after the chemist has added 17.7 mL of the HNO3 solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HNO3 solution added. Round your answer to 2 decimal places. pH = ☑ ? 18 Ararrow_forwardThe following is two groups (Regular tomato sauce & Salt Reduced Tomato Sauce) of data recorded by a team analysising salt content in tomato sauce using the MOHR titration method: Regular Tomato Sauce Salt Reduced Tomato Sauce 223.4 148.7 353.7 278.2 334.6 268.7 305.6 234.4 340.0 262.7 304.3 283.2 244.7 143.6 QUESTION: For both groups of data calculate the answers attached in the image.arrow_forward
- The following is a two groups (Regular tomato sauce & Salt Reduced Tomato Sauce) of data recorded by a team analysising salt content in tomato sauce using the MOHR titration method: Regular Tomato Sauce Salt Reduced Tomato Sauce 340.0mmol/L 262.7mmol/L QUESTION: For both groups (Regular & Salt Reduced tomato sauce) of data provide answers to the following calculations below: 1. Standard Deviation (Sx) 2. T Values (t0.05,4) 3. 95% Confidence Interval (mmol/L) 4. [Na+] (mg/100 mL) 5. 95% Confidence Interval (mg/100 mL)arrow_forwardIf we have leucine (2-amino-4-methylpentanoic acid), alanine (2-aminopropanoic acid) and phenylalanine (2-amino-3-phenylpropanoic acid), indicate the tripeptides that can be formed (use the abbreviated symbols Leu., Ala and Phe).arrow_forwardBriefly state why trifluoroacetic acid is more acidic than acetic acid.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
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 Learning
World of Chemistry, 3rd editionChemistryISBN:9781133109655Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCostePublisher:Brooks / Cole / Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
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
World of Chemistry, 3rd edition
Chemistry
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Brooks / Cole / Cengage Learning
Introduction to Electrochemistry; Author: Tyler DeWitt;https://www.youtube.com/watch?v=teTkvUtW4SA;License: Standard YouTube License, CC-BY