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Topic: Equilibrium problem  (Read 4674 times)

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Offline lewis1rg

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Equilibrium problem
« on: July 13, 2010, 04:44:37 PM »
ok so this assignment is due tonight and i have completed all of the problems except for this one. I dont even really know where to start, im having a bit of a chemistry overload at the moment!

The system described by the reaction CO(g) + Cl2 ::equil:: COCl2(g)
 
is at equilibrium at a given temperature when Pco=0.3atm2 ,Pcl2 =0.12 , and  Pcocl2=0.61 . An additional pressure of  Cl2(g)=0.38 atm  is added.


Find the pressure of CO when the system returns to equilibrium.

I have one attempt left at this answer and pages of scribbles trying to figure it out but alas no luck! HELP PLEASE!!!!  ??? ;D
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Offline sjb

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Re: Equilibrium problem
« Reply #1 on: July 13, 2010, 05:14:48 PM »
What is your expression for Kp for the reaction?
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Offline lewis1rg

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Re: Equilibrium problem
« Reply #2 on: July 13, 2010, 05:32:51 PM »
Quote from: sjb on July 13, 2010, 05:14:48 PM
What is your expression for Kp for the reaction?

there is no Kp given  ???
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Offline sjb

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Re: Equilibrium problem
« Reply #3 on: July 14, 2010, 02:16:07 AM »
What is the definition of Kp?
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Offline AWK

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Re: Equilibrium problem
« Reply #4 on: July 14, 2010, 04:01:37 AM »
From the first part you can calculate Kp

http://www.chemguide.co.uk/physical/equilibria/kp.html
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