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  1. Catalysis - Wikipedia

    Catalysis affects the environment by increasing the efficiency of industrial processes, but catalysis also plays a direct role in the environment. A notable example is the catalytic role of chlorine …

  2. Catalysis | Chemistry, Classification, & Chemical Reactions

    catalysis, in chemistry, the modification of the rate of a chemical reaction, usually an acceleration, by addition of a substance not consumed during the reaction.

  3. Catalytic Reaction (Catalysis): Definition, Types, & Mechanism

    Catalytic reaction or catalysis is the process that alters the rate of a chemical reaction under the influence of a catalyst. A catalyst is a chemical substance added to a reaction to either …

  4. Catalysis - Definition, Mechanism, Types, Characteristics

    Jul 23, 2025 · What is Catalysis in Chemistry? Catalysis is a process that can speed up and slow down a chemical reaction. The substance which cause the change in rate of recation without …

  5. 12.10: Catalysis - Chemistry LibreTexts

    Jul 29, 2025 · Among the factors affecting chemical reaction rates discussed earlier in this chapter was the presence of a catalyst, a substance that can increase the reaction rate without being …

  6. CATALYSIS Definition & Meaning - Merriam-Webster

    Dec 4, 2016 · The meaning of CATALYSIS is a modification and especially increase in the rate of a chemical reaction induced by material unchanged chemically at the end of the reaction.

  7. What is Catalysis? - American Chemical Society

    In chemistry, catalysis refers to changing the speed of a reaction using a substance that’s not consumed by the reaction.

  8. What Is a Catalyst? Understand Catalysis - Science Notes and …

    Sep 21, 2022 · Learn what a catalyst is in chemistry and biology. Understand the process of catalysis and how it affects activation energy.

  9. What Is Catalysis and How Do Catalytic Processes Work?

    Catalysis describes the acceleration of a chemical reaction due to the presence of a substance called a catalyst. These processes are fundamental and widespread, influencing various fields …

  10. DOE Explains...Catalysts | Department of Energy

    Catalysis is the process of adding a catalyst to facilitate a reaction. During a chemical reaction, the bonds between the atoms in molecules are broken, rearranged, and rebuilt, recombining …