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: Predict the sign on ΔS° for the following reactions i. 2 KClO4 (s) → 2 KClO3(s) + O2(g) ii. Propanol condenses at room temperature iii. CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)            Reaction i          Reaction ii          Reaction iii A.          +                            +                           - B.           -                             +                          + C.           +                             -                          0  D.            -                            +                          0 E.            +                            -                          -   

Problem

Predict the sign on ΔS° for the following reactions

i. 2 KClO4 (s) → 2 KClO3(s) + O2(g)

ii. Propanol condenses at room temperature

iii. CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)

 

         Reaction i          Reaction ii          Reaction iii

A.          +                            +                           -

B.           -                             +                          +

C.           +                             -                          0 

D.            -                            +                          0

E.            +                            -                          -