2010/02/05

Arrhenius says...

We looked at a few examples of rate law problems and have determined rate law orders by comparing experiments with differing initial concentrations of reactants.

Kinetics is all about probability, and that probability is dependent upon the activation energy required to get a reaction started. Activation energy is calculated using the Arrhenius equation. We looked at the compact form of the Arrhenius equation (very elegant in its simplicity, but not always very practically useful) and derived a couple variations that are more useful, the comparative and linear forms.

As with so many things, kinetics problems become easier with practice, so keep up on your Mastering Chemistry and take a look at some textbook problems. The new MC assignment is posted.

Have a good weekend.

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