Instructional Video
Khan Academy

Khan Academy: Reconciling Thermodynamic and State Definitions of Entropy

9th - 10th
Explanation of how entropy relates to the number of states a system can take on. [28:26]
Instructional Video
Khan Academy

Khan Academy: Reconciling Thermodynamic and State Definitions of Entropy

9th - 10th
Long video explaining why entropy is a measure of the number of states a system can take on. [28:26]