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 reaction is most likely to have a positive ΔSsys?a) SiO2(s) + 3 C(s) → SiC(s) + 2 CO(g)b) 6 CO2(g) + 6 H2O(g) → C6H12O6(s) + 6 O2(g)c) CO(g) + Cl2(g) → COCl2(g)d) 3 NO2(g) + H2O(l) → 2 HNO3(l) + NO(g)

Problem

Which reaction is most likely to have a positive ΔSsys?
a) SiO2(s) + 3 C(s) → SiC(s) + 2 CO(g)
b) 6 CO2(g) + 6 H2O(g) → C6H12O6(s) + 6 O2(g)
c) CO(g) + Cl2(g) → COCl2(g)
d) 3 NO2(g) + H2O(l) → 2 HNO3(l) + NO(g)