1. Mar 25, 2007 #1

   afcwestwarrior

   

   how do you determine this, do you hve to take exothermic or endothermic reactions into acount or what

    

   afcwestwarrior, Mar 25, 2007
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3. Mar 25, 2007 #2

   afcwestwarrior

   

   well ive anshttp://www.csun.edu/~psk17793/G%20Chemistry/spontaneous_processes.htmwered [Broken] the question myself, and if u need help here's a link

    

   Last edited by a moderator: May 2, 2017

   afcwestwarrior, Mar 25, 2007
4. Mar 25, 2007 #3

   mrjeffy321

   

   Science Advisor

   Spontaneous processes result in the lowering of the total Gibbs Free Energy (G).
   
   For a chemical reaction to be spontaneous, ΔG must be negative.
   It is possible to have both exothermic (ΔH < 0) as well as endothermic (ΔH > 0) spontaneous reactions.
   
   ΔG = ΔH – T * ΔS
   Where ΔG is the change in the Gibbs Free Energy, ΔH is the change in enthalpy, ΔS is the change in entropy, and T is the temperature the reaction occurs at (in Kelvin).

    

   mrjeffy321, Mar 25, 2007

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