Rate of Reaction:
The factor that does not increase the rate of a reaction is "decreasing the concentration of the reactants".
Factors that increase the rate of a reaction:
- Increasing the temperature of the system: The average kinetic energy of the reactant molecules will rise as the temperature rises. As a result, a higher percentage of molecules will possess the minimal amount of energy required for an efficient collision, increasing the rate of reactions.
- Increasing the surface area of the reactants: More particles are exposed to the other reactant when the surface area of a reactant is increased. Particles collide more frequently, increasing the number of successful collisions per second. Thus increasing the rate of reaction.
- Adding an effective catalyst to the system: A catalyst is a substance that participates in a reaction without being absorbed, speeding up the process. An additional reaction pathway to produce compounds is offered by catalysts.
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