Tag
#statistical-mechanics
2 articles
Chemistry
The Ideal Gas Law and Kinetic Theory
Where the ideal gas law comes from: count the collisions of point particles against the walls, discover that temperature is nothing but average molecular kinetic energy, and read off PV = nRT.
10 minJul 10, 2026
Physics
Entropy and the Second Law
Gas released in a corner of a box fills the box and never gathers back — not because a force forbids it, but because overwhelmingly more microstates look spread out than gathered.
10 minJun 22, 2026