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A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AG". • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions E". 圖 His results are listed below. ol. Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you may assume the number of significant digits in each quantity is correct. Also note: for each cell, the number n of electrons transferred per redox reaction is 2. calculated quantities (Check the box next to any that are wrong.) cell n aG E K 174. kJ/mol 30 3.04 X 10 A -0.90 V 39 1.75 x 10 B 2 - 224. kJ/mol -1.16 V -33 8.71 x 10 2 - 183. kJ/mol -0.95 V

A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AG". • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions E". 圖 His results are listed below. ol. Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you may assume the number of significant digits in each quantity is correct. Also note: for each cell, the number n of electrons transferred per redox reaction is 2. calculated quantities (Check the box next to any that are wrong.) cell n aG E K 174. kJ/mol 30 3.04 X 10 A -0.90 V 39 1.75 x 10 B 2 - 224. kJ/mol -1.16 V -33 8.71 x 10 2 - 183. kJ/mol -0.95 V

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 22E: The mass of three different metal electrodes, each from a different galvanic cell, were determined...
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A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AGº. • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions E". His results are listed below. olo Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Ar Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you correct. ay assume the number of significant digits in each quantity is Also note: for each cell, the number n of electrons transferred per redox reaction is 2. calculated quantities (Check the box next to any that are wrong.) cell K E 30 A 2 174. kJ/mol 3.04 X 10 -0.90 V 39 В 2 - 224. kJ/mol 1.75 X 10 - 1.16 V - 33 8.71 X 10 C 2 183. kJ/mol -0.95 V
Transcribed Image Text:A student made measurements on some electrochemical cells and calculated three quantities: • The standard reaction free energy AGº. • The equilibrium constant K at 25.0 °C. • The cell potential under standard conditions E". His results are listed below. olo Unfortunately, the student may have made some mistakes. Examine his results carefully and tick the box next to the incorrect quantity in each row, if any. Ar Note: If there is a mistake in a row, only one of the three quantities listed is wrong. Also, you correct. ay assume the number of significant digits in each quantity is Also note: for each cell, the number n of electrons transferred per redox reaction is 2. calculated quantities (Check the box next to any that are wrong.) cell K E 30 A 2 174. kJ/mol 3.04 X 10 -0.90 V 39 В 2 - 224. kJ/mol 1.75 X 10 - 1.16 V - 33 8.71 X 10 C 2 183. kJ/mol -0.95 V
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