Classify the actions based on how they could affect a reaction rate.

1. Add a catalystThe addition of a catalyst would lead to an increase in the rate of reaction.The catalyst brings about lower activation energies.2. Decrease the concentration of a reactantThe reduction in the concentration of the reactant causes a reduced  rate of reaction This is due to the fact that there is less molecule3. Decrease the surface area of a solid reactant Decreasing the surface area of the solid causes decrease rate of reactionThe collisions would be less because of particles isolation.4. Increase the temperatureA temperature increase leads to increased reaction It causes faster movement of particles and collisions.Complete question

Classify the actions based on how they could affect a reaction rate.

-decrease the surface area of a solid reaction

-add a catalyst

-increase the temperature

-decrease concentration of reactant

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Add a catalyst
- would increase rate of reaction;
Because adding catalyst would lower activation energies.

Decrease the concentration of a reactant
- would decrease rate of reaction; because there would be less molecule

Decrease the surface area of a solid reactant
 - decrease rate of reaction; less collisions because more particles would become isolated

Increase the temperature
- Would increase reaction; Because it would accelerate the movement of the particles and make them colliding faster

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