Fig. 8 Au 1.0 mol/L KNO, O-1.66 V O +0.16 V +3.16 V of 1.0 mol/L HCI Al(s) 1.0 mol/L AI(NO), The value of the standard cell potential of the cell in Fig. 8 is calculated to be Select one: O +1.66 V

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter17: Electrochemistry
Section: Chapter Questions
Problem 31E: Determine the standard cell potential and the cell potential under the stated conditions for the...
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Fig. 8
Select one:
O +1.66 V
-1.66 V
+0.16 V
+3.16 V
Au
The value of the standard cell potential of the cell in Fig. 8 is calculated to be
Fig. 9
Use the following information to answer the next question.
The following three open systems were set up to study corrosion and corrosion prevention
A
Fe-
neil
B
1.0 mol/L HCI 1.0 mol/L AI(NO),
с
1.0 mol/L, KNO,
Beaker A
Sal
Water
Beaker Results after 48 hours
Process
Beaker B
-Al(s)
San
Water
Identify the results of each system in figure 9 after they are allowed to sit for 48 hours. For each beaker, indicate whether the iron nail will exhibit corrosion.
Painting the pipe
•
-Fe nail wrapped
in a strip of Zn
•
Beaker C
Which of the following would protect an iron pipeline from rusting?
Connecting it to a low voltage power supply
Balt
Wolor
Connecting the pipeline to electrodes made of copper.
-Fe naill wrapped
in a strip of Cu
Immersing the pipe in a silver nitrate solution
Protection from corrosion
+
Transcribed Image Text:Fig. 8 Select one: O +1.66 V -1.66 V +0.16 V +3.16 V Au The value of the standard cell potential of the cell in Fig. 8 is calculated to be Fig. 9 Use the following information to answer the next question. The following three open systems were set up to study corrosion and corrosion prevention A Fe- neil B 1.0 mol/L HCI 1.0 mol/L AI(NO), с 1.0 mol/L, KNO, Beaker A Sal Water Beaker Results after 48 hours Process Beaker B -Al(s) San Water Identify the results of each system in figure 9 after they are allowed to sit for 48 hours. For each beaker, indicate whether the iron nail will exhibit corrosion. Painting the pipe • -Fe nail wrapped in a strip of Zn • Beaker C Which of the following would protect an iron pipeline from rusting? Connecting it to a low voltage power supply Balt Wolor Connecting the pipeline to electrodes made of copper. -Fe naill wrapped in a strip of Cu Immersing the pipe in a silver nitrate solution Protection from corrosion +
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