What is Kep?

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What is Kep?

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Answer 1 · 2014-12-12T12:11:46

$K_{e p}$ $K_(ep)$ is the equilibrium product constant. It determines what you have more of, or what is "favored". If $K_{e q}$ $K_(eq)$ is less than one, you have more reactants. If it is greater than 1 you have more products.

$K_{e q}$ $K_(eq)$ is calculated by taking the concentration of the products divided by the concentration of the reactants.

For the balanced reaction:

$a A + b B \to c C + d D$ $aA + bB -> cC + dD$

the equilibrium constant, $K_{e q}$ $K_(eq )$ is:

$K_{e q} = \frac{{[C]}^{c} \cdot {[D]}^{d}}{{[A]}^{a} \cdot {[B]}^{b}}$ $K_(eq) = ([C]^c*[D]^d)/([A]^a*[B]^b)$

the above example is from: http://www.chemicool.com/

Note that the coefficients become exponents.

Also know that concentrations are never added or subtracted, only multiplied and divided.

The unit for concentration is usually moles/liter (Molarity)

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What is Kep?

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