Understanding the rate of a reaction

The rate of a reaction is not how much of products are formed nor how much of reactants disappears but rather how fast the reaction takes place.

For a reaction to take place there are certain conditions that must occur:
  • The particles must collide with enough energy for bonds to break.
  • The particles must be properly orientated.
The speed of a reaction can be found in a number of ways:

  1. By measuring the time a certain amount of product is formed
  2. By measuring the time taken for a reactant to disappear.
Factors affecting the rate of a reaction:
  • Concentration
  • Particle size
  • Pressure
Concentration:- Increasing the concentration of a reaction increases the rate of the reaction.

Particle size: - The smaller the particle the faster the rate of the reaction.

Pressure:- Like concentration increasing the pressure increases the rate of the reaction but its usually for gases.

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