Teachers always derive K expressions from forward and backward rate expression. The coefficients in it are always taken directly from the equation. However, we always stress on the concept that coefficients in the rate law should be experimentally found. Is there a problem with that ? A teacher has hidden a brief explanation to this in my topic of equilibrium. Can you find it out ?

http://chung.sk.tripod.com/11/notes_eqm2.swf

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