LCPO CHEMISTRY W/MODIFIED MASTERING
8th Edition
ISBN: 9780135214756
Author: Robinson
Publisher: PEARSON
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Chapter 19, Problem 19.109SP
Interpretation Introduction
Interpretation:
Whether the value of standard reduction potential
Concept introduction:
The substances that have a higher reduction potential will undergo reduction at the cathode while the substances that have a lower reduction potential will undergo oxidation at the anode.
The expression to calculate the equilibrium constant is shown below:
The expression to calculate the standard Gibbs free energy of the cell is shown below:
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AG = AG° + RT · In(Q)
ΔΕ ΔΕ-). In(Q)
Half Reaction (Note: All given as reduction)
E° (V)
02 (g) + 4 H*(aq) + 4 e¯ →
2 H20 (I)
1.229
|Z2 (s) + 2 e
2z (aq)
0.426
3+
|A°™ (aq) + 3 e
A (s)
0.292
2 H20 (1) + 2 e
H2 (g) + 2 OH¯ (aq)
- 0.828
>
2+
G
(aq) + 2 e¯
→ G (s)
- 1.245
M2+
(aq) + 2 e
→ M (s)
- 1.893
A student constructs a voltaic electrochemical cell with two metal electrodes
[metal G and metal A] in their respective aqueous nitrate solutions
[G(NO3)2 and A(NO3)3].
Use this information, as well as the reduction potentials in the table above to
complete each statement below.
The metal electrode A is...
o not changing in mass.
o increasing in mass.
o decreasing in mass.
Question 4
The metal solution A(NO3)3 is...
o increasing in concentration.
o not changing in concentration.
o decreasing in concentration.
R = 8.314
mol·K
F = 96,485 mot
AG = AG° + RT · In(Q)
ΔΕΔΕ-).In(O)
Half Reaction (Note: All given as reduction)
E° (V)
02 (g) + 4 H*(aq) + 4 e¯ → 2 H20 (1)
1.229
2 z" (aq)
Z2 (s) + 2 e
3+
(aq) + 3 е
0.426
A (s)
0.292
2 H20 (1) + 2 e
G2+ (aq) + 2 e
H2 (g) + 2 OH (aq)
- 0.828
G (s)
- 1.245
>
M2+ (aq) + 2 e
- 1.893
→ M (s)
A student constructs a voltaic electrochemical cell with two metal electrodes
[metal G and metal A] in their respective aqueous nitrate solutions
[G(NO3)2 and A(NO3)3].
Use this information, as well as the reduction potentials in the table above to
complete each statement below.
Consider the same cell from the above prompt.
Calculate AG° in kJ/mol for this galvanic cell.
Report your answer with 4 significant figures. You do not need to report units with your
answer. If your value is negative, make sure to include a "-" symbol.
Give me handwritten answer only
Chapter 19 Solutions
LCPO CHEMISTRY W/MODIFIED MASTERING
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...
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