Chemical Equilibrium - kau

Chemical EquilibriumChapter 14 Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or a state in which there are no observable changes as time goes equilibriumis achieved when: the rates of the forward and reverse reactions are equal and the concentrations of the reactants and products remain constantPhysical equilibriumH2O (l) Chemical equilibriumN2O4(g) (g)2NO2(g)N2O4(g)2NO2(g)Start with NO2 Start with N2O4 Start with NO2& (g)2NO2(g)= x 10-3K= [NO2]2[N2O4]aA+ bBcC+ dDK= [C]c[D]d[A]a[B]bLaw of Mass >> 1K<< 1 Lie to the rightFavor productsLie to the leftFavor reactantsEquilibrium WillK= [C]c[D]d[A]a[B]baA+ bBcC+ Equilibrium applies to reactions in which all reacting species are in the same (g)2NO2(g)Kc= [NO2]2[N2O4]Kp= NO2P2N2O4 PaA(g)+ bB(g)cC(g)+ dD(g) Kc(RT) n n = moles of gaseous products moles of gaseous reactants= (c+ d) (a+ b)In most casesKc KpHomogeneous EquilibriumCH3 COOH (aq)+ H2O (l)CH3 COO-(aq)+ H3O+ (aq)

Chemical Equilibrium Chapter 14 ... Chemical Kinetics and Chemical Equilibrium A + 2B AB 2 k f k r ... c system proceeds from left to right to reach equilibrium 14.4.

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  Chemical, Chapter, Equilibrium, Chemical equilibrium, Chapter 14 chemical equilibrium, Equilibrium 14

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