Why some chemicals react instantly while others remain perfectly still
In short: Understanding chemical reactions requires looking beyond just what is in a beaker. This video explores activation energy, the invisible threshold that determines whether molecules will transform or simply bounce off one another.
Chemical reactions are governed by collision theory, which dictates that molecules must collide with both sufficient energy and the correct spatial orientation to react. Activation energy serves as the specific measurement of this required energy barrier.
To visualize how many particles possess enough energy to overcome this hurdle, scientists use the Maxwell-Boltzmann distribution. This statistical model helps determine the proportion of particles in a system that sit above or below the activation energy threshold.
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- Summary by Intellect · source: Activation Energy
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