https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:reaction-rates-and-equilibrium/x2613d8165d88df5e:reaction-rates/v/factors-affecting-reaction-rates 2022-10-05T02:43:18.611402953Z Factors affecting reaction rates The rate of a chemical reaction is influenced by many different factors, including reactant concentration, surface area, temperature, and catalysts. In general, increasing the concentration of a reactant in solution, increasing the surface area of a solid reactant, and increasing the temperature of the reaction system will all increase the rate of a reaction. A reaction can also be sped up by adding a catalyst to the reaction mixture. Jay video https://cdn.kastatic.org/ka_thumbnails_cache/b2fb2453-05c7-482e-98ee-0bb9abf02353_1280_720_base.png Factors affecting reaction rates The rate of a chemical reaction is influenced by many different factors, including reactant concentration, surface area, temperature, and catalysts. In general, increasing the concentration of a reactant in solution, increasing the surface area of a solid reactant, and increasing the temperature of the reaction system will all increase the rate of a reaction. A reaction can also be sped up by adding a catalyst to the reaction mixture. https://cdn.kastatic.org/ka-youtube-converted/CoNHV7786Hg.mp4/CoNHV7786Hg.mp4 329 Factors affecting the rates of reaction https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:reaction-rates-and-equilibrium/x2613d8165d88df5e:activity-why-does-food-in-a-refrigerator-stay-fresh-for-longer/a/activity-why-does-food-in-a-refrigerator-stay-fresh-for-longer 2026-01-14T23:20:41.344464701Z Activity: Why does food in a refrigerator stay fresh for longer? Make science come alive in your classroom with this free hands-on activity aligned to high school standards. article https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:reaction-rates-and-equilibrium/x2613d8165d88df5e:reaction-rates/e/understand-factors-affecting-reaction-rates 2025-11-10T23:10:47.553327376Z Understand: factors affecting reaction rates Check your understanding of factors affecting reaction rates in this set of free practice questions. Allen Ruch exercise https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:reaction-rates-and-equilibrium/x2613d8165d88df5e:reaction-rates/e/apply-factors-affecting-reaction-rates 2026-03-11T05:00:37.141016324Z Apply: factors affecting reaction rates Apply your understanding of factors affecting reaction rates in this set of free practice questions. Allen Ruch exercise