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

Boltzmann Equation

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Sections
Spontaneous Reaction
First Law of Thermodynamics
Entropy
Gibbs Free Energy
Additional Practice
Boltzmann Equation
Additional Guides
Second and Third Laws of Thermodynamics

Solution: Indicate whether each statement is true or false.CO2(g) and Ar(g) have nearly the same molar mass. At a given temperature, they will have the same number of microstates.

Solution: Indicate whether each statement is true or false.CO2(g) and Ar(g) have nearly the same molar mass. At a given temperature, they will have the same number of microstates.

Problem

Indicate whether each statement is true or false.

CO2(g) and Ar(g) have nearly the same molar mass. At a given temperature, they will have the same number of microstates.

Solution

We have to determine whether the given statement is true or false.


To determine if the given statement is true or false, we have to first define what are microstates and the factors on which their values depend upon.


A microstate is a specific way in which the energy of a system can be arranged.

The number of microstates depends upon the molecular motions that take place.

These are:

Translational motion: When molecules move from one point in space to another.

Vibrational motion: When the atoms in a molecule vibrate. This motion results into stretching and compressing of a covalent bond, much like a spring.

Rotational motion: The different orientations of molecules in space.

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