The Second Law

The Second Law of Thermodynamics:  Entropy
Any spontaneous process increases the DISORDER of the universe!
We call this ENTROPY.

Warm up: Individual work. In your notebook, describe a example in your own world where you see evidence of the trend towards disorder.

Entropy – The Good Stuff

Formula for entropy: S

S = Q / T

reference: Thermodynamic efficiency

Next lesson: car engines and the Otto cycle