This introductory textbook for standard undergraduate courses in thermodynamics has been completely rewritten to explore a greater number of topics, more clearly and concisely. Starting with an overview of important quantum behaviours, the book teaches students how to calculate probabilities in order to provide a firm foundation for later chapters.

It introduces the ideas of classical thermodynamics and explores them both in general and as they are applied to specific processes and interactions. The remainder of the book deals with statistical mechanics. Each topic ends with a boxed summary of ideas and results, and every chapter contains numerous homework problems, covering a broad range of difficulties.

**Part I. Introduction:**

1. Introduction

**Part II. Small Systems:**

2. Statistics for small systems

3. Systems with many elements

**Part III. Energy and the First Law:**

4. Internal energy

5. Interactions between systems

**Part IV. States and the Second Law:**

6. Internal energy and the number of accessible states

7. Entropy and the second law

8. Entropy and thermal interactions

**Part V. Constraints:**

9. Natural constraints

10. Models

11. Choice of variables

12. Special processes

13. Engines

14. Diffusive interactions

**Part VI. Classical Statistics:**

15. Probabilities and microscopic behaviours

16. Kinetic theory and transport processes in gases

17. Magnetic properties of materials

18. The partition function

**Part VII. Quantum Statistics:**

19. Introduction to quantum statistics

20. Quantum gases

21. Blackbody radiation

22. The thermal properties of solids

23. The electrical properties of materials

24. Low temperatures and degenerate systems

Appendices

Further reading

Problem solutions

Index.

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