Chemistry: Atoms First
18th Edition
ISBN: 9781938168154
Author: Richard Langley, Klaus Theopold, Paul Flowers
Publisher: OpenStax College
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Textbook Question
Chapter 16, Problem 43E
If a 2.5 A current flows through a circuit for 35 minutes, how many coulombs of charge moved through the circuit?
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Chemistry: Atoms First
Ch. 16 - Identify each half-reaction below as either...Ch. 16 - Identify each half-reaction below as either...Ch. 16 - Assuming each pair of half-reactions below takes...Ch. 16 - Balance the equations below assuming they occur in...Ch. 16 - Identify the oxidant and reductant of each...Ch. 16 - Balance the equations below assuming they occur in...Ch. 16 - Identify the oxidant and reductant of each...Ch. 16 - Why dont hydroxide ions appear in equations for...Ch. 16 - Why dont hydrogen ions appear in equations for...Ch. 16 - Why must the charge balance in oxidation-reduction...
Ch. 16 - Write cell schematics for the following cell...Ch. 16 - Assuming the schematics below represent galvanic...Ch. 16 - Write a balanced equation for the cell reaction of...Ch. 16 - Balance each reaction below, and write a cell...Ch. 16 - Identify the oxidant and reductant in each...Ch. 16 - From the information provided, use cell notation...Ch. 16 - Why is a salt bridge necessary in galvanic cell...Ch. 16 - An active (metal) electrode was found to gain mass...Ch. 16 - An active (metal) electrode was found to lose mass...Ch. 16 - The masses of three electrodes (A, B, and C), each...Ch. 16 - Calculate the standard cell potential for each...Ch. 16 - Calculate the standard cell potential for each...Ch. 16 - Write the balanced cell reaction for the cell...Ch. 16 - Determine the cell reaction and standard cell...Ch. 16 - Determine the cell reaction and standard cell...Ch. 16 - Write the balanced cell reaction for the cell...Ch. 16 - For each pair of standard cell potential and...Ch. 16 - For each pair of standard free energy change and...Ch. 16 - Determine the standard cell potential and the cell...Ch. 16 - Determine ∆G and ∆G for each of the reactions...Ch. 16 - Use the data in Appendix L to calculate...Ch. 16 - Consider a battery made from one half-cell that...Ch. 16 - Consider a battery with the overall reaction:...Ch. 16 - Why do batteries go dead, but fuel cells do not?Ch. 16 - Use the Nernst equation to explain the drop in...Ch. 16 - Using the information thus far in this chapter,...Ch. 16 - Which member of each pair of metals is more likely...Ch. 16 - Consider the following metals: Ag, Au, Mg, Ni, and...Ch. 16 - Aluminum (EoA13+/A1=-2.07V) is easily oxidized...Ch. 16 - If a sample of iron and a sample of zinc come into...Ch. 16 - Suppose you have three different metals. A, B, and...Ch. 16 - Why would a sacrificial anode made of lithium...Ch. 16 - If a 2.5 A current flows through a circuit for 35...Ch. 16 - For the scenario in the previous question, how...Ch. 16 - Write the half-reactions and cell reaction...Ch. 16 - What mass of each product is produced in each of...Ch. 16 - How long would it take to reduce 1 mole of each of...Ch. 16 - A Current of 2.345 A passes through the Shown in...Ch. 16 - An irregularly shaped metal part made from a...
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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
- An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?arrow_forwardThe mass of three different metal electrodes, each from a different galvanic cell, were determined before and after the current generated by the oxidation-reduction reaction in each cell was allowed to flow for a few minutes. The first metal electrode, given the label A, was found to have increased in mass; the second metal electrode, given the label B, did not change in mass; and the third metal electrode, given the label C, was found to have lost mass. Make an educated guess as to which electrodes were active and which were inert electrodes, and which were anode(s) and which were the cathode(s).arrow_forwardIf a 2.5 A current is run through a circuit for 35 minutes, how many coulombs of charge moved through the circuit?arrow_forward
- It took 150. s for a current of 1.25 A to plate out 0.109 g of a metal from a solution containing its cations. Show that it is not possible for the cations to have a charge of 1+.arrow_forwardZinc is produced by electrolytic refining. The electrolytic process, which is similar to that for copper, can be represented by the two half-reactions Zn(impure,s)Zn2++2eZn2++2eZn(pure,s) For this process, a voltage of 3.0 V is used. How many kilowatt hours are needed to produce one metric ton of pure zinc?arrow_forwardA factory wants to produce 1.00 103 kg barium from the electrolysis of molten barium chloride. What current must be applied for 4.00 h to accomplish this?arrow_forward
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