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: The combustion of hexane is given by the following reaction. 2C6H14 + 19O2 --> 12CO2 + 14H2O The enthalpy of reaction is -4163.0 kJ/mol. How much energy (in joules) will be released if 55.61 grams of hexane is burned. (Molar mass of hexane = 86.20 g/mol). Record your answer in scientific notation using 3 significant figures.

Problem

The combustion of hexane is given by the following reaction. 2C6H14 + 19O2 --> 12CO2 + 14H2O The enthalpy of reaction is -4163.0 kJ/mol. How much energy (in joules) will be released if 55.61 grams of hexane is burned. (Molar mass of hexane = 86.20 g/mol). Record your answer in scientific notation using 3 significant figures.


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