Lesson Flashcards: Catalysts Chemistry • 10th Grade

Catalyst

A substance that increases the rate of a chemical reaction but that is not chemically changed by the end of the reaction

Haber–Bosch process

The reaction of nitrogen and hydrogen gases in the presence of an iron catalyst to product ammonia

Substrate

The reactant molecule that becomes bonded to the active site of an enzyme

Enzyme

A biological catalyst that speeds up the rate of reactions without being consumed

“Poisoned” catalyst

A contaminated catalyst, made less efficient by the contamination

Activation energy

The minimum amount of energy required for a reaction to occur

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