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Chemical Kinetics (Part-2)

Jan 18, 2013 14:24 IST
    Chemical Kinetics (Part-2)
    Chemical Kinetics (Part-2)

    what is Chemical Kinetics? Why we study Chemical Kinetics? What are the factors affecting the rate of reaction? What are the units of rate of reaction? Various types of graph in the chapter chemical Kinetics? What are the sign conventions used to write the rate of reaction? What is order of reaction? Importance of slopes while studying the graphs. This video will help you understand the concepts of Chemical Kinetics

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    Rate of a chemical reaction is influenced by several factors like; Concentration of reactants, Pressure, Temperature, Catalyst, Nature of reactants, Orientation of reacting species, Surface area, Intensity of light and Nature of solvent. The representation of rate of reaction in terms of concentration of the reactants is known as rate law. It is also called as rate equation or rate expression.The average kinetic energy has a direct relation with absolute temperature. Hence the number of molecules with energy greater than the threshold energy also increases (see the Maxwell distribution curves shown below). As a result, the number of effective collisions between reactant molecules also increases. Therefore, usually it is observed that the rate of reaction increases with increase in temperature.

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