Chemistry for Engineering Students
4th Edition
ISBN: 9781337398909
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Chapter 13, Problem 13.17PAE
Interpretation Introduction
To determine: The role of platinum foil in SHE
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Chapter 13 Solutions
Chemistry for Engineering Students
Ch. 13 - Prob. 1COCh. 13 - Prob. 2COCh. 13 - • write and balance half-reactions for simple...Ch. 13 - Prob. 4COCh. 13 - Prob. 5COCh. 13 - • use standard reduction potentials to predict the...Ch. 13 - • calculate the amount of metal plated, the amount...Ch. 13 - Prob. 8COCh. 13 - Prob. 9COCh. 13 - Prob. 10CO
Ch. 13 - Prob. 13.1PAECh. 13 - Prob. 13.2PAECh. 13 - Prob. 13.3PAECh. 13 - Prob. 13.4PAECh. 13 - For the following oxidationreduction reactions,...Ch. 13 - Which half-reaction takes place at the anode of an...Ch. 13 - If a salt bridge contains KNO3 as its electrolyte,...Ch. 13 - If a salt bridge contains KNO3 as its electrolyte,...Ch. 13 - The following oxidationreduction reactions are...Ch. 13 - Write a balanced chemical equation for the overall...Ch. 13 - For the reactions in parts (a) and (b) in the...Ch. 13 - Explain why the terms cell potential and...Ch. 13 - How does galvanic corrosion differ from uniform...Ch. 13 - Prob. 13.14PAECh. 13 - A student who has mercury amalgam fillings in some...Ch. 13 - Based on the cell potential measured for the cells...Ch. 13 - Prob. 13.17PAECh. 13 - Four voltaic cells are set up. In each, one...Ch. 13 - In tables of standard reduction potentials that...Ch. 13 - In the table of standard reduction potentials,...Ch. 13 - Using values from the table of standard reduction...Ch. 13 - Using values from the table of standard reduction...Ch. 13 - One half-cell in a voltaic cell is constructed...Ch. 13 - Four metals, A, B, C, and D, exhibit the following...Ch. 13 - Use the Nernst equation to calculate the cell...Ch. 13 - One half-cell in a voltaic cell is constructed...Ch. 13 - We noted that a tin-plated steel can corrodes more...Ch. 13 - The following half-cells are available: Ag(s);...Ch. 13 - Prob. 13.29PAECh. 13 - Prob. 13.30PAECh. 13 - In May 2000, a concrete pedestrian walkway...Ch. 13 - Prob. 13.32PAECh. 13 - Calculate the standard free energy change for the...Ch. 13 - Suppose that you cannot find a table of standard...Ch. 13 - Prob. 13.35PAECh. 13 - Which of the following reactions is (are)...Ch. 13 - Consult a table of standard reduction potentials...Ch. 13 - The equilibrium constant for a reaction is 31015...Ch. 13 - Some calculators cannot display results of an...Ch. 13 - Calculate the equilibrium constant for the...Ch. 13 - Use the standard reduction potentials for the...Ch. 13 - Hydrogen peroxide is often stored in the...Ch. 13 - Calculate the equilibrium constant for the redox...Ch. 13 - An engineer is assigned to design an...Ch. 13 - A magnesium bar with a mass of 6.0 kg is attached...Ch. 13 - Prob. 13.46PAECh. 13 - Prob. 13.47PAECh. 13 - Prob. 13.48PAECh. 13 - Prob. 13.49PAECh. 13 - If you put a 9-volt battery in a smoke detector in...Ch. 13 - If alkaline batteries were not alkaline but rather...Ch. 13 - What would happen to the voltage of an alkaline...Ch. 13 - What product forms from the lead components of a...Ch. 13 - Prob. 13.54PAECh. 13 - Prob. 13.55PAECh. 13 - Assume the specifications of a Ni-Cd voltaic cell...Ch. 13 - Prob. 13.57PAECh. 13 - What is the difference between active and passive...Ch. 13 - Prob. 13.59PAECh. 13 - Prob. 13.60PAECh. 13 - In an electroplating operation, the cell potential...Ch. 13 - Prob. 13.62PAECh. 13 - Prob. 13.63PAECh. 13 - Prob. 13.64PAECh. 13 - Use the Internet to find electroplating companies...Ch. 13 - Prob. 13.66PAECh. 13 - If a current of 15 A is run through an...Ch. 13 - Suppose somebody in a laboratory doesn't quite...Ch. 13 - If a barrel plating run uses 200.0 A for exactly 6...Ch. 13 - An electrical engineer is analyzing an...Ch. 13 - In a copper plating experiment in which copper...Ch. 13 - A metallurgist wants to gold-plate a thin sheet...Ch. 13 - Tin-plated steel is used for "tin" cans. Suppose...Ch. 13 - An electrolysis cell for aluminum production...Ch. 13 - If a plating line that deposits nickel (from NiCl2...Ch. 13 - Prob. 13.76PAECh. 13 - Prob. 13.77PAECh. 13 - A small part with a surface area of 2.62 cm2 is...Ch. 13 - An engineer is designing a mirror for an optical...Ch. 13 - Prob. 13.80PAECh. 13 - Prob. 13.81PAECh. 13 - What characteristic of lithium ions makes it...Ch. 13 - Looking at Figure 13.23, describe how the...Ch. 13 - Prob. 13.84PAECh. 13 - What is the role of a salt bridge in the...Ch. 13 - Prob. 13.86PAECh. 13 - If the SHE was assigned a value of 3.00 V rather...Ch. 13 - Prob. 13.88PAECh. 13 - Prob. 13.89PAECh. 13 - A chemical engineering student is studying the...Ch. 13 - Prob. 13.91PAECh. 13 - If a logarithmic scale had not been used for the...Ch. 13 - Battery manufacturers often assess batteries in...Ch. 13 - Prob. 13.94PAECh. 13 - Prob. 13.95PAECh. 13 - Prob. 13.96PAECh. 13 - As the voltaic cell shown here runs, the blue...Ch. 13 - Prob. 13.98PAECh. 13 - For a voltage-sensitive application, you are...Ch. 13 - Prob. 13.100PAECh. 13 - Prob. 13.101PAECh. 13 - Prob. 13.102PAECh. 13 - Prob. 13.103PAECh. 13 - 13.104 (a) What happens when a current is passed...Ch. 13 - A current is passed through a solution of...Ch. 13 - 13.106 Hydrazine, N2H4 , has been proposed as the...Ch. 13 - Prob. 13.107PAE
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- Calculate the cell potential of a cell operating with the following reaction at 25C, in which [Cr2O32] = 0.020 M, [I] = 0.015 M, [Cr3+] = 0.40 M, and [H+] = 0.60 M. Cr2O72(aq)+6I(aq)+14H+(aq)2Cr3+(aq)+3I2(s)+7H2O(l)arrow_forwardCalculate the cell potential of a cell operating with the following reaction at 25C, in which [MnO4] = 0.010 M, [Br] = 0.010 M. [Mn2] = 0.15 M, and [H] = 1.0 M. 2MNO4(aq)+10Br(aq)+16H+(aq)2MN2(aq)+5Br2(l)+8H2O(l)arrow_forwardAssume the following electrochemical cell simulates the galvanic cell formed by copper and zinc in seawater at pH 7.90 and 25 C. Zn | Zn(OH)2(s) | OH(aq) || Cu(OH)2(s) | Cu(s) a. Write a balanced equation for the reaction that occurs at the cathode. b. Write a balanced equation for the reaction that occurs at the anode. c. Write a balanced chemical equation for the overall reaction. d. Determine the potential (in volts) of the cell.arrow_forward
- How long would it take to electroplate a metal surface with 0.500 g nickel metal from a solution of Ni2+ with a current of 4.00 A?arrow_forwardA galvanic cell is based on the following half-reactions: In this cell, the copper compartment contains a copper electrode and [Cu2+] = 1.00 M, and the vanadium compartment contains a vanadium electrode and V2+ at an unknown concentration. The compartment containing the vanadium (1.00 L of solution) was titrated with 0.0800 M H2EDTA2, resulting in the reaction H2EDTA2(aq)+V2+(aq)VEDTA2(aq)+2H+(aq)K=? The potential of the cell was monitored to determine the stoichiometric point for the process, which occurred at a volume of 500.0 mL H2EDTA2 solution added. At the stoichiometric point, was observed to be 1 .98 V. The solution was buffered at a pH of 10.00. a. Calculate before the titration was carried out. b. Calculate the value of the equilibrium constant, K, for the titration reaction. c. Calculate at the halfway point in the titration.arrow_forwardThe cell potential of the following cell at 25C is 0.480 V. ZnZn2+(1M)H+(testsolution)H2(1atm)Pt What is the pH of the test solution?arrow_forward
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