physical chemistry lecture notes: http://ocw.mit.edu/courses/chemistry/5-61-physical-chemistry-fall-2007/
thermodynamics of biomolecular systems:http://ocw.mit.edu/courses/biological-engineering/20-110j-thermodynamics-of-biomolecular-systems-fall-2005/
physical chemistry II: http://ocw.mit.edu/courses/chemistry/5-62-physical-chemistry-ii-spring-2008/
