Unit of Rate of Reaction

The Rate of Reaction, in general, can be measured as a change in concentration of reactant or product where concentration is denoted in moles/liter and time in seconds or minutes. 

So the Unit of Rate of Reaction = mol L-1 s-1 or mol L-1 min-1.

Rate of Reaction

Rate of Reaction or Reaction Rate in chemistry is defined as the speed or the rate at which a chemical reaction takes place. The rate of a Chemical Reaction is directly proportional to the increase in the concentration of a product per unit of time and to the decrease in the concentration of a reactant per unit of time. This can vary drastically. Chemical reactions proceed at extensively different speeds depending on the nature of the reacting substances, the type of chemical transformation, the temperature, and other factors. 

In this article, you will understand the meaning of rate of a chemical reaction, rate of reaction order, the unit of the rate of reaction, and formulas.

Table of Content

  • What is the Rate of Reaction
  • Rate of Reaction Formula
  • Average Rate of Reaction
  • Instantaneous Rate of Reaction
  • Unit of Rate of Reaction
  • Factors Affecting Rate of Reaction

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What is the Rate of Reaction

Rate of Reaction is the speed at which a chemical reaction occurs. A low-rate reaction means that the rearrangement of molecules by breaking old bonds and creating new bonds is slow. Some reactions can take hundreds of years to occur, whereas others can occur in less than a second. Consider how long it takes plants and ancient fish to become fossils if you want to conceive of an extremely slow reaction (carbonization). The Speed of Reaction is also affected by the type of molecules combined. The reaction will be slower if an essential element or compound is present in low concentrations....

Rate of Reaction Formula

The Rate of Reaction is proportional to the increase in the concentration of a product per unit time and to the decrease in the concentration of a reactant per unit time. And can be defined as,...

Average Rate of Reaction

From beginning to end the rate of reaction does not remain the same, it can vary from time to time. Therefore, the rate of reaction is defined as the ‘Average Rate of Reaction’....

Instantaneous Rate of Reaction

The Rate of Reaction at any instant of time is the rate of change of concentration of any one of the reactants or products at that particular instant of time. From the Average Rate of Reaction, we can understand it as when the change in the time interval is very less i.e. Δt→0 then the Rate of Reaction is termed as Instantaneous Rate of Reaction. Let us suppose that the small change in concentration is given dx in the small interval of time dt. Then the rate of reaction at that instant is given by dx/dt. It is given by the tangent to the curve of Concentration of Reactant/Product vs Time....

Unit of Rate of Reaction

The Rate of Reaction, in general, can be measured as a change in concentration of reactant or product where concentration is denoted in moles/liter and time in seconds or minutes....

Factors Affecting Rate of Reaction

There are various factors that affect the reaction rate which are listed below:...

Difference between Rate of Reaction and Rate Constant

The difference between the Rate of Reaction and Rate Constant is tabulated below:...

FAQs on Rate of Reaction

1. What is Rate of Reaction Meaning?...