A student performs the Electrochemistry, and obtains the following data: [Cu²+], M Potential, V 0.1 0.424 0.01 0.456 0.001 0.482 0.0001 0.512 0.00001 0.552 Lab Temperature, °C 19.0 [Ag*], M 0.1 0.1 0.1 0.1 0.1 Q Cu(s) + Ag+ (aq) → Cu²+ (aq) + Ag(s) In Q 1: Balance the following redox reaction using half reactions, and determine the standard cell potential for the reaction.

A student performs the Electrochemistry, and obtains the following data: [Cu²+], M Potential, V 0.1 0.424 0.01 0.456 0.001 0.482 0.0001 0.512 0.00001 0.552 Lab Temperature, °C 19.0 [Ag*], M 0.1 0.1 0.1 0.1 0.1 Q Cu(s) + Ag+ (aq) → Cu²+ (aq) + Ag(s) In Q 1: Balance the following redox reaction using half reactions, and determine the standard cell potential for the reaction.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 91QRT: Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium...

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Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium carbonate(limestone). Verify this by determining the standardGibbs free energy change for the reaction of lime,CaO(s), with CO2(g) to make CaCO3(s).
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Electrochemistry
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". 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 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 AG K E -8 A 2 -41. kJ/mol 6.56 x 10 -0.21 V 50 1.27 x 10 B 2 - 286. kJ/mol -1.48 V -15 2 -81. kJ/mol 6.45 x 10 -0.42 V
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