Equilibrium (Law of Mass Action vs ICE tables)

[Dr. To Be]

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Good evening!

I was wondering if someone could explain to me when we use the Law of mass action vs ICE tables. I've been doing a few problems where I've been solving the problem wrong because I did not use an ICE table. Thanks!

 

[aldol16]

The law of mass action is a kinetic phenomenon whereas ICE tables are related to thermodynamic phenomena. That is, for problems that have to do with systems at equilibrium or asking you for a system's composition at equilibrium, then ICE tables are appropriate. Perhaps if you cite a specific example, you might get a more specific answer.

 

[Dr. To Be]

Thank you!