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: Which of the following depicts a situation where the least amount of work is done by a sample of gas? [1 atm = 101325 Pa]a) A 20-L sample of gas expands to 500 L against a vacuumb) A 1-L sample of gas expands to 30 L against a pressure of 2.22 atmc) A 1-L sample of gas expands to 30 L against a pressure of 2.22 Pad) A 20-L sample of gas expands to 500 L against a pressure of 30 atme) Two or more are tied

Problem

Which of the following depicts a situation where the least amount of work is done by a sample of gas? [1 atm = 101325 Pa]

a) A 20-L sample of gas expands to 500 L against a vacuum

b) A 1-L sample of gas expands to 30 L against a pressure of 2.22 atm

c) A 1-L sample of gas expands to 30 L against a pressure of 2.22 Pa

d) A 20-L sample of gas expands to 500 L against a pressure of 30 atm

e) Two or more are tied