Chemistry: The Molecular Nature of Matter
7th Edition
ISBN: 9781118516461
Author: Neil D. Jespersen, Alison Hyslop
Publisher: WILEY
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Textbook Question
Chapter 19, Problem 128RQ
Most flashlights use two or more batteries in series. Use the concepts of galvanic cells in this chapter to explain why a flashlight with two new batteries and one “dead” battery will give only a dim light if any light is obtained at all.
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Chapter 19 Solutions
Chemistry: The Molecular Nature of Matter
Ch. 19 - Sketch and label a galvanic cell that makes use of...Ch. 19 - Write the anode and cathode half-reactions for the...Ch. 19 - Copper metal and zinc metal will both reduce Ag+...Ch. 19 - A galvanic cell has a standard cell potential of...Ch. 19 - Using the positions of the respective...Ch. 19 - Use the positions of the half-reactions in Table...Ch. 19 - What are the overall cell reaction and the...Ch. 19 - What are the overall cell reaction and the...Ch. 19 - A 1.0 M solution of copper(II) perchlorate and 1.0...Ch. 19 - A galvanic cell is constructed with two platinum...
Ch. 19 - Prob. 11PECh. 19 - Under standard state conditions, which of the...Ch. 19 - A certain reaction has an Ecello of 0.107 volts...Ch. 19 - Calculate G for the reactions that take place in...Ch. 19 - The calculated standard cell potential for the...Ch. 19 - Use the following half-reactions and the data in...Ch. 19 - A galvanic cell is constructed with a copper...Ch. 19 - In Example 19.9, assume all conditions are the...Ch. 19 - In the analysis of two other water samples by the...Ch. 19 - A galvanic cell is constructed with a copper...Ch. 19 - In the electrolysis of an aqueous solution...Ch. 19 - In the electrolysis of an aqueous solution...Ch. 19 - How many moles of hydroxide ion will be produced...Ch. 19 - How many minutes will it take for a current of...Ch. 19 - What current must be supplied to deposit 0.0500 g...Ch. 19 - Suppose the solutions in the galvanic cell...Ch. 19 - Galvanic Cells What is a galvanic cell? What is a...Ch. 19 - Galvanic Cells
19.2 What is the function of a salt...Ch. 19 - Galvanic Cells In a coppersilver cell, why must...Ch. 19 - Galvanic Cells What is the general name we give to...Ch. 19 - Galvanic Cells In a galvanic cell, do electrons...Ch. 19 - Galvanic Cells Explain how the movement of the...Ch. 19 - Galvanic Cells
19.7 Aluminum will displace tin...Ch. 19 - Galvanic Cells
19.8 Make a sketch of the galvanic...Ch. 19 - Galvanic Cells 19.9 Make a sketch of a galvanic...Ch. 19 - Galvanic Cells Make a sketch of a galvanic cell...Ch. 19 - Prob. 11RQCh. 19 - Cell Potentials How are standard reduction...Ch. 19 - If you set up a galvanic cell using metals not...Ch. 19 - Cell Potentials Galvanic cells are set up so that...Ch. 19 - Utilizing Standard Reduction Potentials Describe...Ch. 19 - Utilizing Standard Reduction Potentials What do...Ch. 19 - Prob. 17RQCh. 19 - Utilizing Standard Reduction Potentials Describe...Ch. 19 - Prob. 19RQCh. 19 - Prob. 20RQCh. 19 -
19.21 What is the equation that relates the...Ch. 19 - EcelloandG Show how the equation that relates the...Ch. 19 - Ecello and G What is the cell potential of a...Ch. 19 - Cell Potentials and Concentration 19.24 The cell...Ch. 19 - Cell Potentials and Concentration What is a...Ch. 19 - Cell Potentials and Concentration Describe what...Ch. 19 - Electricity What are the anode and cathode...Ch. 19 - Prob. 28RQCh. 19 - Electricity
19.29 How is a hydrometer constructed?...Ch. 19 - lectricity What reactions occur at the electrodes...Ch. 19 - Electricity
19.31 What chemical reactions take...Ch. 19 - Prob. 32RQCh. 19 - Electricity
19.33 What are the anode, cathode, and...Ch. 19 - Electricity Give two reasons why lithium is such...Ch. 19 - Electricity What are the electrode materials in a...Ch. 19 - Electricity
19.36 What are the electrode materials...Ch. 19 - Prob. 37RQCh. 19 - Electricity Write the cathode, anode, and net cell...Ch. 19 - Electricity What advantages do fuel cells offer...Ch. 19 - Electrolytic Cells What electrical charges do the...Ch. 19 - Electrolytic Cells
19.41 Why must electrolysis...Ch. 19 - Electrolytic Cells Why must NaCl be melted before...Ch. 19 - Electrolytic Cells Write half-reactions for the...Ch. 19 - Electrolytic Cells
19.44 What happens to the pH of...Ch. 19 - Electrolysis Stoichiometry
19.45 What is a...Ch. 19 - Electrolysis Stoichiometry
19.46 Using the same...Ch. 19 - Electrolysis Stoichiometry
19.47 An electric...Ch. 19 - Electrolysis Stoichiometry
19.48 An electric...Ch. 19 - Practical Applications of Electrolysis What is...Ch. 19 - Practical Applications of Electrolysis
19.50...Ch. 19 - Practical Applications of Electrolysis In the...Ch. 19 - Prob. 52RQCh. 19 - Practical Applications of Electrolysis Describe...Ch. 19 - Prob. 54RQCh. 19 - Galvanic Cells Write the half-reactions and the...Ch. 19 - Galvanic Cells Write the half-react ions and the...Ch. 19 - Write the cell notation for the following galvanic...Ch. 19 - Write the cell notation for the following galvanic...Ch. 19 - For each pair of substances, use Table 19.l to...Ch. 19 - 19.60 For each pair of substances, use Table 19.1...Ch. 19 - Use the data in Table 19.1 to calculate the...Ch. 19 - 19.62 Use the data in Table 19.1 to calculate the...Ch. 19 - From the positions of the half-reactions in Table...Ch. 19 - Use the data in Table 19.1 to determine which of...Ch. 19 - 19.65 From the half-reactions below, determine the...Ch. 19 - 19.66 What is the standard cell potential and the...Ch. 19 - What will be the spontaneous reaction among...Ch. 19 - What will be the spontaneous reaction among...Ch. 19 - Will the following reaction occur spontaneously...Ch. 19 - Determine whether the reaction:...Ch. 19 -
19.71 Calculate for the following reaction as...Ch. 19 - EcellandG Calculate G for the reaction...Ch. 19 - Given the following half-reactions and their...Ch. 19 - Calculate Kc for the system Ni2++CoNi+Co2+ Use the...Ch. 19 - 19.75 The system
has a calculated What is the...Ch. 19 - Determine the value of Kc at 25C for the reaction...Ch. 19 - Cell Potentials and Concentrations 19.77 The cell...Ch. 19 - Cell Potentials and Concentrations
19.78 The for...Ch. 19 - *19.79 A cell was set up having the following...Ch. 19 - A silver wire coated with AgCl is sensitive to the...Ch. 19 - At 25C, a galvanic cell was set up having the...Ch. 19 - *19.82 Suppose a galvanic cell was constructed at ...Ch. 19 - *19.83 What is the potential of a concentration...Ch. 19 - *19.84 What is the potential of a concentration...Ch. 19 - Prob. 85RQCh. 19 - Prob. 86RQCh. 19 - What products would we expect at the electrodes if...Ch. 19 - What products would we expect at the electrodes if...Ch. 19 - Using Table 19.1, list the ions in aqueous...Ch. 19 - Prob. 90RQCh. 19 - Electrolysis Stoichiometry
19.91 How many moles of...Ch. 19 - Electrolysis Stoichiometry
19.92 How many moles of...Ch. 19 - 19.93 How many grams of Fe(OH)2 are produced at an...Ch. 19 - 19.94 How many grams of would be produced in the...Ch. 19 - Prob. 95RQCh. 19 - 19.96 How many hours would it take to generate...Ch. 19 - 19.97 How many amperes would be needed to produce...Ch. 19 - 19.98 A large electrolysis cell that produces...Ch. 19 - *19.99 The electrolysis of 250 mL of a brine...Ch. 19 - *19.100 A 100.0 mL sample of 2.00MNaCl was...Ch. 19 - *19.101 A watt is a unit of electrical power and...Ch. 19 - Suppose that a galvanic cell were set up having...Ch. 19 - Prob. 103RQCh. 19 - *19.104 The value of for AgBr is . What will be...Ch. 19 - 19.105 Based only on the half-reactions in Table...Ch. 19 - A student set up an electrolysis apparatus and...Ch. 19 - *19.107 A hydrogen electrode is immersed in a 0.10...Ch. 19 - *19.108 What current would be required to deposit ...Ch. 19 - *19.109 A solution containing vanadium in an...Ch. 19 - Consider the reduction potentials of the following...Ch. 19 - An Ag/AgCl electrode dipping into 1.00MHCl has a...Ch. 19 - Prob. 112RQCh. 19 - Consider the following galvanic cell:...Ch. 19 - The electrolysis of 0.250 L of a brine solution...Ch. 19 - A solution of NaCl in water was electrolyzed with...Ch. 19 - How many milliliters of dry gaseous H2, measured...Ch. 19 - *19.117 At , a galvanic cell was set up having the...Ch. 19 - Given the following reduction half-reactions and...Ch. 19 - The normal range of chloride ions in blood serum...Ch. 19 - An unstirred solution of 2.00 M NaCl was...Ch. 19 - What masses of and O2 in grams would have to react...Ch. 19 - *19.122 Draw an atomic-level diagram of the events...Ch. 19 - *19.123 In biochemical systems, the normal...Ch. 19 - Calculate a new version of Table 19.1 using the...Ch. 19 - In Problem 19.83, the potential at 75C was...Ch. 19 - There are a variety of methods available for...Ch. 19 - *19.128 Most flashlights use two or more batteries...Ch. 19 - 19.129 If two electrolytic cells are placed in...Ch. 19 - Prob. 130RQCh. 19 - Prob. 131RQ
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