5 Steps to a 5 AP Chemistry 2019
240 ❯ STEP 4. Review the Knowledge You Need to Score High (d) Since the cadmium ion concentration increases, the equilibrium mus ...
Equilibrium ❮ 241 ● Strong acids completely dissociate in water, whereas weak acids only partially dissociate. ● Weak acids and ...
242 ❯ STEP 4. Review the Knowledge You Need to Score High ● The equivalence point or endpoint of a titration is the point at whi ...
CHAPTER 16 Electrochemistry IN THIS CHAPTER Summary: Electrochemistry is the study of chemical reactions that produce electricit ...
244 ❯ STEP 4. Review the Knowledge You Need to Score High Redox Reactions Electrochemical reactions involve redox reactions. In ...
Electrochemistry ❮ 245 electrons are flowing through the wire they can do useful work, like powering a calculator or a pacemaker ...
246 ❯ STEP 4. Review the Knowledge You Need to Score High a current of 1.10 V would be measured. This galvanic cell shown in Fig ...
Electrochemistry ❮ 247 Cell Potential In the discussion of the Daniell cell, we indicated that this cell produces 1.10 volts. Th ...
248 ❯ STEP 4. Review the Knowledge You Need to Score High Table 16.1 Standard Reduction Potentials in Aqueous Solution at 25°C H ...
Electrochemistry ❮ 249 First, the cell voltage can be calculated using: EEce°°ll=−cathodeaE°node> 0 Since the cell potential ...
250 ❯ STEP 4. Review the Knowledge You Need to Score High For example, if liquid titanium(IV) chloride (acidified with HCl) is e ...
Electrochemistry ❮ 251 If the redox reaction is at equilibrium, E° = 0, the equilibrium constant may be cal- culated by: E n KK ...
252 ❯ STEP 4. Review the Knowledge You Need to Score High TIP When using the Nernst equation on a cell reaction in which the ove ...
Electrochemistry ❮ 253 ❯ Review Questions Use these questions to review the content of this chapter and practice for the AP Chem ...
254 ❯ STEP 4. Review the Knowledge You Need to Score High Co2+ + 2 e- → Co E° = –0.28 V Cd^2 + + 2 e- → Cd E° = –0.40 V Given ...
Electrochemistry ❮ 255 Use the information on standard reduction potentials in the following table to answer questions 16–18. E ...
256 ❯ STEP 4. Review the Knowledge You Need to Score High C—The impure silver must be oxidized so it will go into solution. Oxi ...
Electrochemistry ❮ 257 ❯ Free-Response Question You have 15 minutes to answer the following long question. You may use a calcula ...
258 ❯ STEP 4. Review the Knowledge You Need to Score High (b) The cobalt is the anode. The reason Co is the anode is because the ...
Electrochemistry ❮ 259 ● The following relationships can be used to calculate quantitative changes that occur in an electrochemi ...
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