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Let's suppose we have a reaction N2 + 3H2 --> 2NH3. If we add more N2, the reaction by le chatelier's principle shifts to the right. But do we always assume that we have excess reactants? Because what if H2 is the limiting reactant, adding more N2 would not shift the reaction to the right because there is nothing for it to react to in order to form ammonia right?
I believe that examining reactions by way of Le Chatelier's Principle functions under the assumption that reactants are in excess. It is a merely conceptual way of understanding how manipulating amounts of products/reactants affects reaction rates, without the added parameter of limiting reactants.
Hey Kevin, when given these types of questions and trying to understand a concept, in this case Le Chatlier's principle, then if the amount of a reactant is not stated in the problem you can assume that it is in excess. Have a good day :)
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