2nd order chemical kinetics

Conclusion - The rate of a reaction is measured in terms of change in concentration of a reactant or a product with time. Rate of a reaction is measured by following the concentration changes either by chemical analysis or by observing some other property such as color and optical rotatio..

Introduction - Processes by which substances are transformed to one or several products are called chemical reactions. Chemical processes that occur in the presence of light, like sunlight, are called photochemical reactions. These processes can occur naturally or under controll..

. In the modern day world, with so many chemical pollutants in the environment, it becomes very essential to study the transformation of these pollutants in the environment. To do this, one needs to have a knowledge of chemical kinetics. The first chemical re..

In order to explain the observed behaviour of gases, a model was proposed based on the molecular and kinetic concept of gas molecules. This model takes into account the particulate nature of matter and the constant movement of particl..

. To sum it up, the kinetic theory of matter is based upon the following points: Matter consists of molecules. These are the smallest particles, which are capable of free existence and retain all the chemical properties of the parent substance. The molecules are always in a stat..

Relationships for Zero order, First order and Second order Reactions..

First Order Reaction - Example 5: Cyclopropane (C 3 H 6 ) at room temperature has a ring structure. When it is heated, the ring opens up and cyclopropane isomerizes to propylene. The reaction takes place in a first order manner. Therefore, the rate law for the reaction is, rate ..

Fractional Order Reaction or Complex Order - Example 7: Hydrogen (H 2 ) gas reacts with bromine (Br 2 ) gas to give hydrogen bromide vapor. The chemical reaction is represented by the equation as follow..

Second Order Reaction - Example 6: Nitrogen dioxide (NO 2 ) gas reacts with fluorine gas (F 2 ) to give nitrosyl fluoride. The chemical reaction is given by the equation. The reaction has the rate law as: rate (r) = k [NO 2 ] [F 2..

Trends in Chemical Reactivity - As in the case of S, the important oxidation states observed for Se and Te are also 2, +2, +4 and +6. The chalcogenide dianions (E 2 - ) exist only in their compounds with the most electropositive elements. By and large, chalco..