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: If the volume of a system increases from 10.0 L to 14.5 L against a constant external pressure of 1.00 atm, and absorbs 655 J of heat, what is the change in internal energy of the system (∆Esys)? (1 L∙atm = 101.3 J)A) 199 JB) 1111 JC) 651 JD) −1111 JE) −199 J

Problem

If the volume of a system increases from 10.0 L to 14.5 L against a constant external pressure of 1.00 atm, and absorbs 655 J of heat, what is the change in internal energy of the system (∆Esys)? (1 L∙atm = 101.3 J)

A) 199 J

B) 1111 J

C) 651 J

D) −1111 J

E) −199 J