The previous page is sending you to https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:applications-of-thermodynamics/x2eef969c74e0d802:free-energy-and-equilibrium/v/nonstandard-free-energy-changes.

 If you do not want to visit that page, you can return to the previous page.