Thermodynamics (Chemistry)
A thorough guide to chemical thermodynamics 
I like this site a lot. It is thorough in its explanations and clearly written, however it might be a little textbook like. "The scientific discipline that intersects the areas of chemistry and physic is commonly known as physical chemistry, and it is in that area that a thorough study...
Thermodynamics by chemguy 
Another great video for AP chem and up students by chemguy on thermodynamics. He is a good teacher and communicates chemistry in clear manner.
Four laws of thermodynamics 
Just a quick refresher on the four laws of thermodynamics. Usually lower level chemistry courses require you to only know about I, II and III. "The four principles, or laws, of thermodynamics are:[1][2][3][4][5][6] The zeroth law of thermodynamics allows the assignment...
