Ch.18 - ElectrochemistryWorksheetSee all chapters
All Chapters
Ch.1 - Intro to General Chemistry
Ch.2 - Atoms & Elements
Ch.3 - Chemical Reactions
BONUS: Lab Techniques and Procedures
BONUS: Mathematical Operations and Functions
Ch.4 - Chemical Quantities & Aqueous Reactions
Ch.5 - Gases
Ch.6 - Thermochemistry
Ch.7 - Quantum Mechanics
Ch.8 - Periodic Properties of the Elements
Ch.9 - Bonding & Molecular Structure
Ch.10 - Molecular Shapes & Valence Bond Theory
Ch.11 - Liquids, Solids & Intermolecular Forces
Ch.12 - Solutions
Ch.13 - Chemical Kinetics
Ch.14 - Chemical Equilibrium
Ch.15 - Acid and Base Equilibrium
Ch.16 - Aqueous Equilibrium
Ch. 17 - Chemical Thermodynamics
Ch.18 - Electrochemistry
Ch.19 - Nuclear Chemistry
Ch.20 - Organic Chemistry
Ch.22 - Chemistry of the Nonmetals
Ch.23 - Transition Metals and Coordination Compounds

Solution: Consider the following reaction: 2 Fe 2+ (aq) + Cu 2+ (aq)      →       2 Fe  3+ (aq) + Cu (s) Given the following data of reduction potentials: Fe3+ + e –      →       Fe 2+                      

Problem

Consider the following reaction:

2 Fe 2+ (aq) + Cu 2+ (aq)      →       2 Fe  3+ (aq) + Cu (s)

Given the following data of reduction potentials:

Fe3+ + e       →       Fe 2+                                              E °  = 0.77 Volts

Cu2+ (aq) + 2 e       →      Cu (s)                                 E °  = 0.34 Volts 

Which of the following is a false statement?

a) When calculating the cell potential, the coefficients are not taken into account.

b) At equilibrium the cell voltage is zero.

c) Cu2+ is the oxidizing agent.

d) The cell potential for this reaction is 1.11 Volts.