Chemistry (OER)
19th Edition
ISBN: 9781947172623
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 17, Problem 19E
Why is a salt bridge necessary in galvanic cells like the one in Figure 17.4?
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Chapter 17 Solutions
Chemistry (OER)
Ch. 17 - If a 2.5 A current is run through a circuit for 35...Ch. 17 - For the scenario in the previous question, how...Ch. 17 - For each of the following balanced half-reactions,...Ch. 17 - For each of the following balanced half-reactions,...Ch. 17 - Given the following pairs of balanced...Ch. 17 - Balance the following in acidic solution: (a)...Ch. 17 - Identify the species that undergoes oxidation, the...Ch. 17 - Balance the following in acidic solution: (a)...Ch. 17 - Identify the species that was oxidized, the...Ch. 17 - Why is it not possible for hydroxide ion (OH-) to...
Ch. 17 - Why is it not possible for hydrogen ion (H+) to...Ch. 17 - Why must the charge balance in oxidation-reduction...Ch. 17 - Write the following balanced reactions using cell...Ch. 17 - Given the following cell notations, determine the...Ch. 17 - For the cell notations in the previous problem,...Ch. 17 - Balance the following reactions and write the...Ch. 17 - Identify the species oxidized species reduced, and...Ch. 17 - From the information provided, use cell notation...Ch. 17 - Why is a salt bridge necessary in galvanic cells...Ch. 17 - An active (metal) electrode was found to gain mass...Ch. 17 - An active (metal) electrode was found to lose mass...Ch. 17 - The mass of three different metal electrodes, each...Ch. 17 - For each reaction listed, determine its standard...Ch. 17 - For each reaction listed, determine its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - For the standard cell potentials given here,...Ch. 17 - For the ?G values given here, determine the...Ch. 17 - Determine the standard cell potential and the cell...Ch. 17 - Determine G and G for each of the reactions in...Ch. 17 - Use the data in Appendix L to determine the...Ch. 17 - What are the desirable qualities of an electric...Ch. 17 - List some things that are typically considered...Ch. 17 - Consider a battery made from one half-cell that...Ch. 17 - Consider a battery with the overall reaction:...Ch. 17 - An inventor proposes using a SHE (standard...Ch. 17 - Why do batteries go dead, but fuel cells do not?Ch. 17 - Explain what happens to battery voltage as a...Ch. 17 - Using the information thus far in this chapter,...Ch. 17 - Which member of each pair of metals is more likely...Ch. 17 - Consider the following metals: Ag, Au, Mg, Ni, and...Ch. 17 - Aluminum (E Al 3+/Al=2.07V) is more easily...Ch. 17 - If a sample of iron and a sample of zinc come into...Ch. 17 - Suppose you have three different metals. A, B, and...Ch. 17 - Why would a sacrificial anode made of lithium...Ch. 17 - Identify the reaction at the anode, reaction at...Ch. 17 - What mass of each product is produced in each of...Ch. 17 - How long would it take to reduce 1 mole of each of...Ch. 17 - A current of 2.345 A passes through the cell shown...Ch. 17 - An irregularly shaped metal part made from a...
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