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Topic: Chemical reaction at microscopic level  (Read 7554 times)

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Offline ayslam

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Chemical reaction at microscopic level
« on: December 21, 2006, 04:45:04 AM »
If a chemical reaction is observed at microscopic level, how do the molecules interact with each other and finally reach the stable state? Is there any area of chemistry concerning molecular interactions?
Thank you for your help.
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Offline DevaDevil

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Re: Chemical reaction at microscopic level
« Reply #1 on: December 21, 2006, 01:48:54 PM »
If you mean nature of bonding and state of the molecules: Quantum Chemistry.

If you just mean chemical reaction and energies thereof: Thermodynamics and reaction kinetics


Now the idea is to follow a single molecule reaction called Femtochemistry by these authors. A decent review article by the way, but most possibly more advanced than you care for.
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Offline ayslam

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Re: Chemical reaction at microscopic level
« Reply #2 on: December 22, 2006, 02:37:41 AM »
Please correct me if I am incorrect.  Thermodynamics is about some natural laws governing the behavior of chemical reactions at macroscopic level. The Gibbs free energy achieves the minimum energy (stable state) after the chemical reaction completes. But what I am wondering is how the reactants, at microscopic level, interact with each other so as to reach the final state of the chemical reaction. Are there anything related to this?
Thanks.
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Offline Bakegaku

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Re: Chemical reaction at microscopic level
« Reply #3 on: December 22, 2006, 09:29:53 AM »
I believe the area you're looking for is quantum chemistry.  It would go farthest in explaining how bonds form and what-not. 

Thermochemistry deals with energy.
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Offline Yggdrasil

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Re: Chemical reaction at microscopic level
« Reply #4 on: December 23, 2006, 01:06:37 AM »
Quantum chemistry is the field of physical chemistry that invesitgates chemical reactions at the microscopic level.  Statistical mechanics may also be of interest because it is the field that links the microscopic properties of the system to its macroscopic features.  Statistical mechanics is important for describing the kinetics of chemical reactions.
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Offline tamim83

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Re: Chemical reaction at microscopic level
« Reply #5 on: December 23, 2006, 09:44:25 PM »
I actually study chemical kinetics in my research.  It is a combination of quantum theory ans statistical mechanics.  Do you have any specific questions?
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Offline ayslam

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Re: Chemical reaction at microscopic level
« Reply #6 on: December 24, 2006, 01:40:45 PM »
Can you suggest some good resources, (online materials or books) to me? I know chemical reactions finally reach the minimum Gibbs energy state. But I want to know how the reactants manipulate and become the products finally, in microscopic level. In other words, I want to know the process describing how the molecules interact in chemical reactions.
Thanks a lot!
Merry Christmas!
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Offline ghb

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Re: Chemical reaction at microscopic level
« Reply #7 on: January 01, 2007, 05:32:10 PM »
Read something on transition state theory (TST), should be useful.  For example, a review of the history and developments of TST: Chaos 2005, 15, 026116.
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