Factors that change the rate of a chemical reaction are:• concentration or pressure if the reactants are gases
•temperature
•use of a catalyst
•surface area of solid reactants.For a reaction to occur, there must be an effective collision. An effective collision is when particles collide in the correct orientation with sufficient energy.
Increasing the concentration increases the rate of a reaction. There are more particles in the same volume so the particles are close together and collide more frequently.
•temperature
•use of a catalyst
•surface area of solid reactants.For a reaction to occur, there must be an effective collision. An effective collision is when particles collide in the correct orientation with sufficient energy.
Increasing the concentration increases the rate of a reaction. There are more particles in the same volume so the particles are close together and collide more frequently.