Ch. 17 - Chemical ThermodynamicsWorksheetSee 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: Which statement below is true about the standard Gibbs energy -33.3kJ at 25°C for the reaction.N2 (g) + 3 H2 (g) → 2 NH3 (g)                      ΔG° = -33.3kJa. ΔG° corresponds to 1 atm of N 2 reaction with 3 atm of H2 to form 2 atm of NH 3.b. ΔG° corresponds to 1 atm of N 2 reaction with 1 atm of H2 to form 2 atm of NH  3.c. ΔG° corresponds to 1 atm of each N 2, H2, and NH3 reacting to 100% completion.d. ΔG° corresponds to 1 atm of each N 2, H2, and NH3 reacting until equilibrium is established.e. None of the above are true.

Problem

Which statement below is true about the standard Gibbs energy -33.3kJ at 25°C for the reaction.

N2 (g) + 3 H2 (g) → 2 NH3 (g)                      ΔG° = -33.3kJ

a. ΔG° corresponds to 1 atm of N 2 reaction with 3 atm of H2 to form 2 atm of NH 3.

b. ΔG° corresponds to 1 atm of N 2 reaction with 1 atm of H2 to form 2 atm of NH  3.

c. ΔG° corresponds to 1 atm of each N 2, H2, and NH3 reacting to 100% completion.

d. ΔG° corresponds to 1 atm of each N 2, H2, and NH3 reacting until equilibrium is established.

e. None of the above are true.