Browse free online courses in a variety of subjects. Purdue University courses found below can be audited for free, or students can choose to receive a verified certificate for a small fee.

Learn chemistry with online courses, certificates, and degree programs delivered through edX to help advance your career.

Master of science (MS) programs in chemistry cover a wide array of advanced chemistry topics. They build off undergraduate foundations and feature specialized learning opportunities that …

Learn the foundations of chemistry, earn college credit, and build your way to an undergraduate degree in this online MicroBachelors program taught by Harvard University Professor James …

This course is designed to build core skills in chemistry, including drawing chemical structures and predicting molecular properties and reactivities, as well as to gain the necessary fundamental …

Learning organic chemistry can help you build vital skills and knowledge for a variety of STEM-based careers. With edX, you can study online and explore courses that align with your …

Program overview Calculus, physics and chemistry are the foundation of many important science and engineering disciplines. Understanding their basics is fundamental for advanced studies. …

Gain a physical understanding of the principles of analytical chemistry andtheir application in scientific research.

Jul 22, 2025 · Biochemistry courses can train you for a fulfilling and in-demand career. Explore jobs you can pursue with an undergraduate or graduate degree.

Learn the chemistry behind the visual arts, and how an understanding of art’s material properties helps preserve our cultural heritage.