All I needed was a catalyst. A catalyst is a substance that speeds up a chemical reaction, but is not consumed by the reaction; hence a catalyst can be recovered chemically unchanged at the end of the reaction it has been used to speed up, or catalyze. The bombing attack was the catalyst for war. 100 examples: Notably, the reaction rates attained by such catalysts are moderate, usually <1… Cambridge Dictionary +Plus My profile Well, at least, an inadvertent catalyst. Adversity acted as a catalyst. Gratitude was my catalyst to change. Glucose syrup suspended in oil under steam pressure with finely divided nickel as a catalyst and treated with nascent hydrogen will take up the hydrogen and be converted into glycerin. 4. Adversity acted as a catalyst. The noun catalyst has two different meanings, one that is technical and related to chemistry and the other more general. This page looks a few odds and ends of examples of catalysts used in organic chemistry. 3. Related Questions. Catalysts lower the energy barrier. Catalyst in a sentence. Catalyst; Your son is the catalyst. The enzyme was the catalyst that triggered the chemical reaction. 4. Here are the two definitions of catalyst and some example sentences to show you how the word is used. 1. Discussion. Question. The high suicide rate acted as a catalyst for change in the prison system. In any given time interval, the presence of a catalyst allows a greater proportion of the reactant species to pick up sufficient energy to pass through the … The catalysts are wonderful chemical compounds used by chemists, manufactures, and etc. Answer. We may, then, compare the catalyst to what is known as "a good mixer" in society. What is a Catalyst? 3. Temperature, concentration, pressure and the use of catalysts affect reaction rate. The greater the frequency of successful collisions between reactant particles, the greater the reaction rate. How do you use the word catalyst in a sentence? Question. Catalyst, in chemistry, any substance that increases the rate of a reaction without itself being consumed. 3. Yes, absolutely. For example, a solid catalyst used in a reaction with liquids would be a heterogeneous catalyst – you can remember this by knowing that ‘hetero’ means ‘different’. We may, then, compare the catalyst to what is known as "a good mixer" in society. catalyst in a sentence. A small amount of platinum catalyst triggers a reaction that splits hydrogen peroxide into water and oxygen. ; 2. Choose a language, then type a word below to get example sentences for that word. The action of a catalyst is rather mysterious and whenever we have a mystery we need an analogy. Gratitude was my catalyst to change. How to use catalyst in a sentence. Wiki User March 09, 2014 8:23PM. The riots were later seen as the catalyst … Catalyst; Your son is the catalyst. A catalyst works by providing a different route, with lower E a, for the reaction.