Chemical Reaction Rates and Catalysts

A set of vocabulary flashcards covering key concepts related to chemical reaction rates, activation energy, catalysts, and collision theory.

Activation Energy

The minimum energy required for a chemical reaction to occur.

Effect of Temperature on Reaction Rate

Increasing temperature increases the rate of a reaction by increasing the frequency of effective collisions.

Effect of Pressure on Reaction Rate

Increasing the pressure of gaseous reactants increases the rate of reaction due to an increase in concentration.

Catalyst

A substance that lowers the activation energy of a reaction, increasing the rate without being consumed.

Collision Theory

As the number of moles per liter of a reactant increases, the number of collisions between reacting particles increases.