Digital library
Textbooks, references and open learning resources.

External
Thermodynamics and Chemistry
Howard DeVoe · University of Maryland
In the contents: 02: Systems and Their Properties · 2.01: The System Surroundings and Boundary · 2.02: Phases and Physical States of Matter

External
Thermodynamics and Chemical Equilibrium
Paul Ellgen · Oklahoma School of Science Mathematics
In the contents: 01: Introduction - Background and a Look Ahead · 1.07: Chemical Equilibrium and Predicting Chemical Change · 1.08: Equilibrium and Classical Thermodynamics

External
Quantum Mechanics in Chemistry
Jack Simons and Jeff Nichols · University of Utah
In the contents: 1.09: The Physical Relevance of Wavefunctions Operators and Eigenvalues · 3.01: The Born-Oppenheimer Separation of Electronic and Nuclear Motions · 3.04: Rotation and Vibration of Diatomic Molecules

External
CHEM 1000 - Introductory Chemistry I
Budhi · Eastern Wyoming College
In the contents: 1.1: The Scope of Chemistry · 1.3: Hypothesis, Theories, and Laws · 02: Measurement and Problem Solving

External
Quantum Tutorials
Frank Rioux · College of Saint Benedict/Saint John's University
In the contents: 1.02: Atomic and Molecular Stability · 1.03: Atomic and Molecular Stability · 1.04: Atomic and Molecular Stability

External
A Notebook for Topics in Thermodynamics of Solutions and Liquid Mixtures
Michael J Blandamer & Joao Carlos R Reis · University of Leicester & Faculdade de Ciencias
In the contents: 1.1.03: Activity- Solutions and Liquid Mixtures · 1.2.09: Affinity for Spontaneous Chemical Reaction - Isochoric Condition and Controversy · 1.4.06: Chemical Equilibria- Cratic and Unitary Quantities

External
The Live Textbook of Physical Chemistry I
Roberto Peverati · Florida Institute of Technology
In the contents: 01: Systems and Variables · 3.03: Reversible and Irreversible Processes · 04: Thermochemistry

External
Mathematical Methods in Chemistry
Marcia Levitus · Arizona State University
In the contents: 1.02: Odd and Even Functions · 2.02: Graphical Representation and Euler Relationship · 3.04: Other Applications of Mclaurin and Taylor series

External
Physical Chemistry
Delmar Larsen · LibreTexts Inc
In the contents: 1.05: The Rydberg Formula and the Hydrogen Atomic Spectrum · 03: The Schrodinger Equation and a Particle in a Box · 3.E: The Schrodinger Equation and a Particle in a Box (Exercises)