Ch. 17 - Chemical ThermodynamicsSee 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: Calculate ΔG° for the following reaction 3NO2(g) + H2O(l) →  2HNO3(l) + NO(g) Given the following free energies of formation                        ΔG°f(kJ/mol) H2O(l)                -237.2 HNO3(l)             -79.9 NO(g)                86.7 NO2(g)              51.8 A. -414 kJ B. 8.7  kJ C. -192 kJ D. 192  kJ E. -155 kJ  

Problem

Calculate ΔG° for the following reaction

3NO2(g) + H2O(l) →  2HNO3(l) + NO(g)

Given the following free energies of formation


                       ΔG°f(kJ/mol)
H2O(l)                -237.2
HNO3(l)             -79.9
NO(g)                86.7
NO2(g)              51.8

A. -414 kJ
B. 8.7  kJ
C. -192 kJ
D. 192  kJ
E. -155 kJ