lab b4 le chateliers Prince lab b4 le chateliers Prince lab b4 le chateliers Pri
ID: 712912 • Letter: L
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lab b4 le chateliers Prince lab b4 le chateliers Prince lab b4 le chateliers Prince Le Châtelier's Principle Prelaboratory Assignment I. Define the following terms: a. Chemical equilibrium Chemi b. Le Châtelier's principle stress s apped ho m of equi librium hen 2. Consider the hypothetical reaction A+B+heat C + D What will happen to the concentrations of A, B, C, and D under each of the following conditions? a. A catalyst is added to the system, which is at equilibrium. b. Either C or D is added to the system, which is initially at equilibrium. ll Rights Reserved. May not he scamed, copled or dplicated, or posted to a publisly sccesible vebsite, in whole or in part custom page 129Explanation / Answer
2. a) A catalyst will not shift the position of the equilibrium in any direction and thus the concentrations of A, B, C, and D will remain unaffected.
b) Adding C or D which are the products in this reaction will shift the reaction towards reactants and therefore the concentration of A and B will increase.
c) Removing C or D from the reaction mixture will lead to shift the reaction towards the products and therefore the concentration of C and D will increase.
d) Adding A or B which are reactants in this reaction will shift the reaction towards the products and therefore the concentration of the C and D will increase.
e) Cooling the reaction will shift the reaction towards the reactants and thus the concentration of A and B will increase.
f) Heating the reaction will shift the reaction towards the products and thus the concentration of C and D will increase.
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