Net Texts
Hess's Law Worksheet
Challenge young scholars' understanding of thermochemistry with this skills-practice activity on Hess's Law. Given a series of five multi-step chemical reactions, students must determine the overall change in entropy...
Rice University
College Physics for AP® Courses
Take a look at an organized physics course. The 34-section electronic textbook covers material in AP® Physics 1 and 2. Teachers use the text to supplement lectures and have the class work through the labs. Each section contains...
Texas Education Agency
Texas Gateway: Entropy & 2nd Law of Thermodynamics: Disorder & Lack of Energy
By the end of this section, you will be able to define entropy, calculate the increase of entropy in a system with reversible and irreversible processes, explain the expected fate of the universe in entropic terms, and calculate the...
CK-12 Foundation
Ck 12: Chemistry for High School
This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.