Which thermodynamics concepts confuse or confused you the most?

Jorriss

Entropy was the only thing that confused me. Unfortunately, effectively everything we did was just variants on the second law of thermodynamics ie the first law made sense, the second one was much, much less intuitive.

Jorriss Recognitions: Gold Member	Entropy was the only thing that confused me. Unfortunately, effectively everything we did was just variants on the second law of thermodynamics ie the first law made sense, the second one was much, much less intuitive.