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The Kp for the reaction below is 1.49 × 108 at 100.0°C:CO(g) + Cl2(g) → COCl2(g)In an equilibrium mixture of the three gases, PCO = PCl2 = 2.22 × 10-4 atm. The partial pressure of the product, phosgene (COCl2), is ________ atm.

Respuesta :

Answer: The equilibrium partial pressure of phosgene is 7.34 atm

Explanation:

The given chemical equation follows:

                    [tex]CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)[/tex]

The expression of [tex]K_p[/tex] for above equation follows:

[tex]K_p=\frac{p_{COCl_2}}{(p_{CO})\times (p_{Cl_2})}[/tex]

We are given:

Equilibrium partial pressure of CO = [tex]2.22\times 10^{-4}atm[/tex]

Equilibrium partial pressure of chlorine gas = [tex]2.22\times 10^{-4}atm[/tex]

[tex]K_p=1.49\times 10^8[/tex]

Putting values in above equation, we get:

[tex]1.49\times 10^8=\frac{p_{COCl_2}}{(2.22\times 10^{-4})\times (2.22\times 10^{-4})}\\\\p_{COCl_2}=7.34atm[/tex]

Hence, the equilibrium partial pressure of phosgene is 7.34 atm

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