A student made measurements on some electrochemical cells and calculated three quantities:AGO. The standard reaction free energy. The equilibrium constant K at 25.0 °CThe cell potential under standard conditions EHis results are listed below.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 signifícant digits in each quantity iscorrect.Also note: for each cell, the number m of electrons transferred per redox reaction is 1calculated quantities(Check the box next to any that are wrong.)cellп0AG0EK141.55 x 10181. kJ/mol0.84 V231.33 x 101В-132. kJ/mol-1.37 V252.53 x 101С145. kJ/mol1.50 V?ExplanationCheck2019 McGraw-Hill Education. All Rights Reserved. Terms of UseXA

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Asked Nov 24, 2019
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Examines his results carefully and take the box next to the incorrect quantity in each row if any

A student made measurements on some electrochemical cells and calculated three quantities:
AGO
. The standard reaction free energy
. The equilibrium constant K at 25.0 °C
The cell potential under standard conditions E
His results are listed below.
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 signifícant digits in each quantity is
correct.
Also note: for each cell, the number m of electrons transferred per redox reaction is 1
calculated quantities
(Check the box next to any that are wrong.)
cell
п
0
AG
0
E
K
14
1.55 x 10
1
81. kJ/mol
0.84 V
23
1.33 x 10
1
В
-132. kJ/mol
-1.37 V
25
2.53 x 10
1
С
145. kJ/mol
1.50 V
?
Explanation
Check
2019 McGraw-Hill Education. All Rights Reserved. Terms of Use
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A student made measurements on some electrochemical cells and calculated three quantities: AGO . The standard reaction free energy . The equilibrium constant K at 25.0 °C The cell potential under standard conditions E His results are listed below. 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 signifícant digits in each quantity is correct. Also note: for each cell, the number m of electrons transferred per redox reaction is 1 calculated quantities (Check the box next to any that are wrong.) cell п 0 AG 0 E K 14 1.55 x 10 1 81. kJ/mol 0.84 V 23 1.33 x 10 1 В -132. kJ/mol -1.37 V 25 2.53 x 10 1 С 145. kJ/mol 1.50 V ? Explanation Check 2019 McGraw-Hill Education. All Rights Reserved. Terms of Use X A

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Expert Answer

Step 1
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Relation btw A', K and E is iven bollows A RT u K RT lu k O:OS92 n. nF -nfE A60

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for cell A : AG K/mol K Eceu o.84 V AG RT uk -(8314 JKM(218-15 ) Ln (1sSXId) -80994.0 T mol - 81 kJ wmol .O592 (5) O84 V Thenfore A6 is n ceu A :

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Ror cel B. ad'= -132 KT Mo k = 33 X lo בב Eau= AG - RT lu k -(814 TKMol)278 15K) In ( 1-33 X 103) -1319 83.8 J mol 132 KJ mol

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