Would that be helpful? If so, here is the article.
The chapter often concludes with the principles of (the basis of lasers) and the primary processes of photochemistry. Study Tips for Chapter 12 Fisicoquimica Atkins 8va Edicion 12.pdf
The problem we will be discussing is problem 12 from the 8th edition of "Physical Chemistry" by Atkins. The problem is related to the topic of thermodynamics, specifically the calculation of the change in Gibbs free energy for a given reaction. Would that be helpful