GCSE Chemistry - Factors Affecting the Rate of Reaction #47

The video explains factors affecting chemical reaction rates, including temperature, concentration, pressure, surface area, and catalysts. It introduces collision theory, emphasizing the importance of activation energy and collision frequency. Temperature increases particle energy and collision frequency, enhancing reaction rates. Higher concentration and pressure lead to more frequent collisions. Greater surface area allows more collisions, speeding up reactions. Catalysts lower activation energy, providing alternative pathways for reactions, increasing successful collisions.

What role does surface area play in the rate of chemical reactions?

Describe how catalysts affect chemical reactions and provide an example.