Equilibrium Constant and Reaction Quotient 9 of 22 I Review | Constants | Periodic Table Part A At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, Ke, which is a mathematical expression based on the chemical equation. For example, in the reaction A mixture initially contains A, B, and C in the following concentrations: [A] = 0.700 M, [B] = 1.25 M, and [C] = 0.700 M. The following reaction occurs and equilibrium is established: aA + bB cC + dD A + 2B - C where a, b, c, and d are the stoichiometric coefficients, the equilibrium constant is At equilibrium, JA] = 0.500 M and [C] = 0.900M. Calculate the value of the equilibrium constant, K. Express your answer numerically. K. = CD" [A]°[B]* • View Available Hint(s) where [A], [B], [C], and [D] are the equilibrium concentrations. If the reaction is not at equilibrium, the quantity can still be calculated, but it is called the reaction quotient, Qe, instead of the equilibrium constant, Kc- Ke = [Cl. D Qc [A]B], Submit where each concentration is measured at some arbitrary time t.

Equilibrium Constant and Reaction Quotient 9 of 22 I Review | Constants | Periodic Table Part A At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, Ke, which is a mathematical expression based on the chemical equation. For example, in the reaction A mixture initially contains A, B, and C in the following concentrations: [A] = 0.700 M, [B] = 1.25 M, and [C] = 0.700 M. The following reaction occurs and equilibrium is established: aA + bB cC + dD A + 2B - C where a, b, c, and d are the stoichiometric coefficients, the equilibrium constant is At equilibrium, JA] = 0.500 M and [C] = 0.900M. Calculate the value of the equilibrium constant, K. Express your answer numerically. K. = CD" [A]°[B]* • View Available Hint(s) where [A], [B], [C], and [D] are the equilibrium concentrations. If the reaction is not at equilibrium, the quantity can still be calculated, but it is called the reaction quotient, Qe, instead of the equilibrium constant, Kc- Ke = [Cl. D Qc [A]B], Submit where each concentration is measured at some arbitrary time t.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter13: Chemical Equilibrium

Section: Chapter Questions

Problem 8RQ: A common type of reaction we will study is that having a very small K value (K 1). Solving for...

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