The equilibrium concentrations for the reaction between
carbon monoxide and molecular chlorine to form COCl2
(g)
at 740C are [CO] = 0.012 M, [Cl2
] = 0.054 M, and [COCl2
] =
0.14 M. Calculate the equilibrium constants Kc and Kp

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The equilibrium constant with respect to concentration Kc is 220  and with respect to pressure Kp is 7.7.

What is equilibrium constant?

Equilibrium constant of any reaction gives idea about the products and reactants which are present in a reaction with respect to the specific unit of concentration or pressure.

Given chemical reaction is:

CO(g) + Cl₂(g) → COCl₂(g)

  • Equilibrium constant in terms of concentration will be represented as:

Kc = [COCl₂] / [CO][Cl₂]

Kc = 0.14 / (0.012)(0.054) = 220

  • Equilibrium constant with reprect to pressure Kp has a below relationship with Kc:

Kp = Kc(RT)ˣⁿ, where

R = universal gas constant = 0.0821

T = temperature = 74 degree C = 347 K

xn = difference in the moles of products & reactants = 1-2 = -1

On putting values, we get

Kp = 220(0.0821)(347)⁻¹

Kp = 7.7

Kc & Kp both are unitless quantity.

Hence value of Kc is 220 and of Kp is 7.7.

To know more about Kc & Kp, visit the below link:
https://brainly.com/question/19337884