This video discussed kinetics which is the rate of the reactions. Learn about activated complexes and activation energy. Learn variables that affect the rate of reaction like adding a catalyst, increasing the concentration of molecules,...

An introduction to collision theory and activation energy is presented. [8:42]

Definition of rate constant k, the pre-exponential factor A, and activation energy are introduced. Understand how the exponential part of the Arrhenius equation depends on activation energy and temperature. [9:21]

Know how to write different forms of the Arrhenius equation. Use the Arrhenius equation to look at how changing temperature and activation energy affects collisions. [6:36]

Know how to use the Arrhenius equation to calculate the activation energy. [11:01]

Sal will illustrate how a catalyst speeds up a reaction by lowering the activation energy. [7:24]

Learn about the function of enzymes in biological systems in this video. Video overviews active sites, substrates, induced fit, and activation energy. [8:12]

This lesson will define the term catalyst and explain how a catalyst affects the activation energy of a chemical reaction. Examples provided.

This lesson will introduce the energy diagram of a chemical reaction, and label the parts of the diagram.

In this video Paul Andersen explains how the activation energy is a measure of the amount of energy required for a chemical reaction to occur. Due to the collision theory the activation energy requires proper energy and orientation of...

This lesson will discuss how chemical reactions occur and that not all of them will go through to completion. It is 2 of 2 in the series titled "Chemical Reactions: Summary."

In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions, reactions mechanics, and rate-determining steps. [9:57]

A video lecture that focuses on kinetics, the study of how reactions progress and the rate of reactions. Kinetics, activation energy, activated complex and catalysts are discussed. [15:27]

Enzymes as catalysts for reactions in biological systems; discussion of substrates, active sites, induced fit, and activation energy. [8:12]

The Arrhenius equation is k = Ae^(-Ea/RT), where A is the frequency or pre-exponential factor and e^(-Ea/RT) is the fraction of collisions that have enough energy to react (i.e., have energy greater than or equal to the activation energy...

A video describing how enzymes function as a reaction catalyst. The video shows how enzymes work through animated examples. [1:15]

This lesson will define activation energy and explain how to determine the amount of activation energy from an energy diagram. It is 5 of 5 in the series titled "Activation Energy."

This lesson will describe that a catalyst is something which can speed up a reaction by lowering activation energy. It is 3 of 4 in the series titled "Catalyst."