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: The reduction potentials for Au3+ and Ni2+ are +1.50 V and -0.23 V, respectively. What is ΔG° at 25°C for the reaction below? 2Au3+ + 3Ni → 3Ni 2+ + 2Au a. -5.00 x 102 kJ b. +5.00 x 102 kJ c. -214

Problem

The reduction potentials for Au3+ and Ni2+ are +1.50 V and -0.23 V, respectively. What is ΔG° at 25°C for the reaction below?

2Au3+ + 3Ni → 3Ni 2+ + 2Au

a. -5.00 x 102 kJ

b. +5.00 x 102 kJ

c. -2140 kJ

d. +1.00 x 103 kJ

e. -1.00 x 103 kJ