On Tuesday, January 7, 2014 3:21:53 PM UTC-5, nnaemek...@gmail.com wrote:   
   > Can anyone give a description for this reaction:   
   >    
   > Xe** + Cl2 + M → XeCl* + Cl + M, where k is rate constant   
   >    
   > The reaction is taken from a french article and if i translate it literally,   
   "Réactions à trois corps", it translates as "reaction with three bodies."    
   >    
   > I wonder if I am right translating it that way, especially where I know   
   nothing about Xenon dichloride or the exciplex molecule used for lasers which   
   the article in question is about.    
   >    
   > thanks. please, can someone help me.   
      
   Yes, I think this is also called a "third order" reaction. It will have   
   dependence on all 3 species, according to the law of mass action. That "M"   
   shows up as an independent item on the right implies that it forms an unstable   
   intermediate.   
      
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