Add the catalyst and increase the temperature to a chemical reaction in order to increase the rate constant. Therefore, options (A) and (C) are correct.
What is a catalyst?
A catalyst can be described as a substance that increases the speed of a reaction without undergoing any change. The presence of a catalyst lowers the potential energy barrier and provides a new alternate path that requires less activation energy.
The lesser the activation energy faster will be the chemical reaction because the energy reactant can cross energy barriers and change into products.
An increase in temperature increases the rate of reaction because it will raise the average kinetic energy of the reactant molecules. Therefore, a greater number of molecules will have the minimum energy required for an effective collision.
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