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Homework answers / question archive / Classify the actions based on how they could affect a reaction rate
Classify the actions based on how they could affect a reaction rate. Rate increases Rate decreases Rate is unaffected decrease the surface area of a solid reactant decrease the concentration of a reactant add a catalyst increase the temperature
1) Decrease the surface area of solid reactant - It will decrease the rate as the surface area available of collision of particles will be decreased.
2) Add a catalyst - Adding catalyst increases the rate as catalyst decreases the activation energy and hence number of particle for collision increases
3) Increase in temperature - Increase in temperature increases the rate as increment in temperature will.increase the energy of particles.
4) Decrease the concentration of reactants - It will decrease the rate of reaction as the number of available particles for collision decreases.