True or False? Sometimes, substances can be added to a reaction to cause the reaction to start or speed up. These are not considered reactants or products. They are called CATALYSTS.
A) True
B) False
A catalyst is a chemical substance that affects the rate of a chemical reaction by altering the activation energy required for the reaction to proceed. This process is called catalysis. A catalyst is not consumed by the reaction and it may participate in multiple reactions at a time.
