Found 5 Articles for Chemical Kinetics

Introduction Catalysis is the process of altering the reaction rate by utilising a chemical that is not used by the reaction. As a result, it does not show any change in the total stoichiometry of the process, but it must occur in at least a single elementary process in the catalysed reaction mechanism. Although the catalysed route has smaller activation energy, the total energy shift that comes from the reaction is unaffected by the existence of a catalyst. Nonetheless, because of its smaller activation energy, a catalysed reaction has a quicker rate of reaction than an uncatalyzed reaction at a ... Read More

Introduction “Zeolites” are “crystalline solids” that have three dimensions. It is the crystalline form of the “aluminium silicate” that has a “micro-porous nature”. The tiny and fixed holes are found on them that help in the passing of molecules. They are also called the “molecular sieves” and the cause is that the large molecules are not able in crossing them. Information on zeolites “Zeolites” is categorized as a matter of “tetrahedral geometry” and the structure describes the free movement of water within these pores. The micro-pores that are seen in the zeolites at a “molecular level” are employed as ... Read More

Introduction How fast a reaction proceeds have been termed the rate of reactions. The rate of reactions can be determined relying on the concentration of reactants. The rate of a reaction is directly proportional to the formation of the product and is also inversely proportional to the concentration of reactant that is decreasing. Many chemical reactions proceed at a faster rate. For example, the combustion reaction that takes place on the cellulose is a faster reaction that happens within seconds. While some chemical reactions have. For example, the rusting of iron is a very slow process, and it takes a ... Read More

Introduction The Scottish chemist Thomas Graham first put forward the systematic study of diffusion of gas molecules. He made his contributions to diffusion in the year 1828 to 1833. He observed that when different gases are brought together there is a spreading of gases instead of their arrangement in the terms of their density. So there is a spontaneous intermixing of gases taking place. And this property is diffusion. In the year 1848, Thomas Graham itself discovered the property of gas, effusion too. The escape of gas molecules irrespective of their nature happens when they are brought into small holes. ... Read More

Introduction The rate of a chemical reaction means how fast a reaction is proceeding. It can also be defined as how fast a product is formed or how fast a reactant is consumed. The collision of atoms and molecules is necessary to bring about a chemical change. The reactant molecules and atoms must collide with each other to bring a chemical reaction. But all the collisions made by reactant species will result in product formation. Effective collision is necessary to make a reaction to proceed. And an effective collision means that the species that are colliding need some minimum internal ... Read More