MIT Open Courseware offers an extensive series of online courses in Chemistry. Course format generally includes lecture videos, interactive concept quizzes (solution key), problem sets, terms and definitions, suggested topics and links, and exams (with solution key).
This site was established to provide chemistry students with a library of spectroscopy problems. Interpretation of spectra is a technique that requires practice - this site provides 1H NMR and 13C NMR, DEPT, COSY and IR spectra of various compounds for students to interpret.
Allows students to easily access state-of-the-art computational chemistry software for free, created by SSU's Dr. Mark Perri. Includes tips on how instructors can incorporate computational chemistry into their undergraduate teaching and research curriculum without the hassle of compiling, installing, and maintaining software and hardware.
A project of the National Institutes of Health, PubChem collects information on chemical structures, identifiers, chemical and physical properties, biological activities, patents, health, safety, toxicity data, etc. PubChem provides several avenues for programmatic access to its data.