Ch.6 - Thermochemistry WorksheetSee 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: Find the ΔH of for propanol, C3H8O(l), given the following information: C3H8O (I) + 9/2 O 2 (g) → 3 CO2 (g) + 4 H2O (g)     ΔH ocomb = 2021 kJ ΔHof of CO2 (g) = - 393.5 kJ/mol ; ΔH of of H2O (g) = - 241.8 kJ/mol A. -1642.5 kJ B. -2021 kJ C. -4168.7 kJ D. -2656.3 kJ E. -126.7 kJ    

Problem

Find the ΔH of for propanol, C3H8O(l), given the following information:

C3H8O (I) + 9/2 O 2 (g) → 3 CO(g) + 4 H2O (g)     ΔH ocomb = 2021 kJ
ΔHoof CO2 (g) = - 393.5 kJ/mol ; ΔH oof H2O (g) = - 241.8 kJ/mol

A. -1642.5 kJ
B. -2021 kJ
C. -4168.7 kJ
D. -2656.3 kJ
E. -126.7 kJ