Catalyst (the concept in chemistry)

A catalyst is a substance that speeds up a chemical reaction without being consumed in the process. It lowers the energy needed for the reaction to occur, allowing it to happen more quickly or at lower temperatures. For instance, in car exhaust systems, catalysts help convert harmful gases into less harmful emissions. While the catalyst itself remains unchanged, it significantly enhances the efficiency of reactions, making them more economical and environmentally friendly. Catalysts are essential in many industrial processes and natural biological reactions, such as those occurring in our bodies.