quarta-feira, 25 de setembro de 2013

Molecular Collision



Did you know you can represent the change in the energy generated by the collisions of particles using a potential energy diagram?

Yeah, but with one little difference: 

In addition to the enthalpy change of the reaction, there will be a small hill that will represent the activation energy. 
Reaction with low activation energy will occur faster than those with higher activation energy. 

A explosive reaction has a very low activation energy, for example.

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