For the following equilibrium reaction,\[ 2A \rightleftharpoons B + C \]if equilibrium concentrations are $[A] = 0.66 \, \text{M}$, $[B] = 0.77 \, \text{M}$, and $[C] = 1.8 \, \text{M}$, what is the equilibrium constant?- Report your answer using two significant figures.Provide your answer below:

Consider the given equilibrium equation as;Equilibrium constant c for a reaction is defined as the…

Answered: For the following equilibrium reaction,…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

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For the following equilibrium reaction,

\[ 2A \rightleftharpoons B + C \]

if equilibrium concentrations are $[A] = 0.66 \, \text{M}$, $[B] = 0.77 \, \text{M}$, and $[C] = 1.8 \, \text{M}$, what is the equilibrium constant?

- Report your answer using two significant figures.

Provide your answer below:

Expert Solution

Step 1: Given Equilibrium reaction

Consider the given equilibrium equation as;

$2 space straight A space rightwards harpoon over leftwards harpoon space B space plus space straight C$

Equilibrium constant c for a reaction is defined as the product of the equilibrium molar concentrations of the products, each raised to the power equal to a stoichiometric coefficient divided by the product of the equilibrium molar concentrations of the reactant each raised to the power equal to its stoichiometric coefficient .
& the most important convention to be kept in mind is that the active mass of a pure solid or pure liquid is considered to be constant.

Given information is as follows;

$Equilibrium space concentration space of space straight B space equals space open square brackets straight B close square brackets equals 0.77 space straight M Equilibrium space concentration space of space straight C space equals space open square brackets straight C close square brackets equals 1.8 space straight M Equilibrium space concentration space of space straight A space equals space left square bracket straight A right square bracket space equals space 0.66 space M straight K subscript straight C equals space ? space$

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