### REVISION HISTORY

**Version 1**December 2010 (525 pages)

**Version 2**May 2011 (524 pages)

- Section 8.2.3: modified Figure 8.8; added comment on failure of the law of rectilinear diameters.

**Version 3**July 2011 (531 pages)

- Three PDF files now available with different combinations of uncolored or colored hyperlinks and narrow or wide page margins.
- Added six new Biographical Sketches (Clapeyron, Giauque, Henry, Hess, Raoult, and van't Hoff), for an overall total of 16.

**Version 4**March 2012 (533 pages)

- Sections 2.2.1, 2.6.1, and 4.5.1: minor changes, some based on comments of Dr. John S. Denker.
- Sections 2.6.2 and 3.1.1: added equation for relation between system energy and internal energy.
- Section 3.4.2, last paragraph: minor revision.
- Section 3.9: changed symbol for force due to internal friction.
- Section 4.6.2: added paragraph about validity of expression for entropy change.
- Section 4.6.4: added footnote.
- Section 5.8: added equation for reversible electrical work.
- Section 14.3.1: added alternative derivation of expression for the molar reaction Gibbs energy of a cell reaction.
- Section 14.3.2: added paragraph about conditions for reaction equilibrium in a galvanic cell.

**Version 5**May 2014 (532 pages)

- Section 3.1.6: revised the description of thermal energy.
- Section 3.7.1: removed statement implying that dissipative work necessarily approaches zero as the rate of change of the work coordinate approaches zero.
- Section 5.2: added comment about "chemical work."

**Version 6**February 2015 (532 pages)

- Appendix B: values of fundamental physical constants updated to most recent recommended values.
- Minor corrections throughout the book.

**Versions 7 and 7a**November and December 2015 (532 pages)

- Minor corrections.

**Version 8**October 2016 (533 pages)

- Section 4.4: changed title to "The Second Law for Reversible Processes."
- Reorganized the material in Sections 4.4.1 and 4.4.2.
- Inserted new Section 4.4.3: "Alternative derivation of entropy as a state function."
- Changed previous Section 4.4.3 to Section 4.4.4.
- Section 4.5: changed title to "The Second Law for Irreversible Processes."