Link: https://chem.libretexts.org/Courses/Southwestern_College/Chem_210%3A_Southwestern/15%3A_Thermodynamics/15.03%3A_Entropy Note: The image above was taken from the original article. Entropy (s) is a measure of how dispersed energy is or how many possible arrangements particles in a system can have. Systems naturally move towards states with higher entropy, which are more probable. Important ideas to remember about entropy are that entropy increases with disorder or energy