What Factors Affect The Rate Of A Chemical Reaction
Camila Farah
Several factors can influence the chemical reaction rate.
This implies that the chemical reaction rate increases with the increase in concentration and decreases with the decrease in the concentration of reactants. From collision theory for rate of chemical reactions we know that there are a few factors which affect the rate of a reaction. The rate of a chemical reaction is affected by several factors like. Temperature of a reaction.
In general a factor that increases the number of collisions between particles will increase the reaction rate and a factor that decreases the number of collisions between particles will decrease the chemical reaction rate. Concentration or pressure of reactants. The collision states that in order for a reaction to happen the reactants must collide with sufficient energy that is greater than the activation energy e a. An increase in the concentration of one or more of the reactants will increase the rate of reaction.
5 nature of reactants. Therefore even time is a vital factor affecting the reaction rate. 6 orientation of reacting species. There are five factors that affect the rate of a reaction.
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The effect of these factors are discussed below. This is known as the collision theory of chemical kinetics. It can be calculated by measuring changes in reactants products. 8 intensity of light.
The rate of a chemical reaction can be altered by changing the reacting conditions. Consequently anything that influences any of these three factors will affect reaction rate. Factors influencing the rate of reaction chemical reactions only happen when the reactant molecules collide with one another. Time plays a major role in changing the concentration of reactants and products.
Factors affecting rate of chemical reactions. The speed of a chemical reaction is affected by temperature concentration particle size and the presence of a catalyst. Any factor that affects the frequency of successful particle collisions will affect reaction rate. I concentration of reactants pressure in case of gases ii temperature iii presence of a catalyst.
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Concentration of a reactant in solution.
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