Chemistry 110B CHEM 110
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This 7 page Class Notes was uploaded by Mikaela Notetaker on Sunday April 10, 2016. The Class Notes belongs to CHEM 110 at West Virginia University taught by Melissa G. Ely in Spring 2016. Since its upload, it has received 10 views. For similar materials see Introduction to Chemistry in Chemistry at West Virginia University.
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Date Created: 04/10/16
Quiz 8 41.1 kg of MgCl -> 2olume of Cl 2 Reactions that occur in steps! Production of ammonia, NH , from 3i, N , and H 2 occurs 2n the 2 steps shown below: Li + N -2 Li N 3 Li3N + H O2-> NH + Li3H Equilibrium: Occurs when concentrations of all products and reactants are constant with time. 1. Not all reactions proceed 100% to completion (such that all reactions become products). 2. Many reaction proceed in the forward direction (to produce products) and then when the concentration of product are high enough they also react in the reverse direction. 3. Eventually rates of forward and reverse reactions are equal and thus one of products and reactant remain constant. At equilibrium: 1. Concentration of all products and reactants are constant 2. Ratio of product concentration to reactant concentration is constant Quantify Equilibrium: K = [Concentration of product] / [concentration of reactants] Depends on temperature Note: Numerical value of K tells which way the equilibrium lies. I.E. whether they have more products or reactants. If K>1 then [products]>[reactants] If k<1 then [reactants]>[products] If k = 1 then [products]=[reactants] To write equilibrium constant expression
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