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Topic: Chemical Equilibriums  (Read 5058 times)

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smennyjith

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Chemical Equilibriums
« on: May 07, 2006, 07:36:52 PM »
SO2 + NO2 <-- -->(equilibrium) SO2 + NO  (all are gasses)
if at equilibrium, how many moles of SO2  would have to be added to increase SO3  to 2.8 mol/L
Original equilibrium concentrations are  0.7, 2.5, 5.2, 6.4 respectively.  All i really need to know is how to go about doing this question
« Last Edit: May 08, 2006, 02:29:23 AM by Borek »

Offline Borek

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Re: Chemical Equilibriums
« Reply #1 on: May 08, 2006, 02:30:01 AM »
Calculate equilibrium constant first.
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Offline AWK

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Re: Chemical Equilibriums
« Reply #2 on: May 08, 2006, 02:34:29 AM »
Of course, reaction should be:
SO2 + NO2 <-- -->(equilibrium) SO3 + NO  (all are gasses)
AWK

Offline Borek

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Re: Chemical Equilibriums
« Reply #3 on: May 08, 2006, 02:52:56 AM »
Yeah, it could be my mistake, I was correcting formatting of the post and have some nasty accident invlolving coffe, milk, keyboard and pajama ;)
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Offline Albert

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Re: Chemical Equilibriums
« Reply #4 on: May 08, 2006, 01:22:21 PM »
Quote
if at equilibrium, how many moles of SO2  would have to be added to increase SO3  to 2.8 mol/L
Original equilibrium concentrations are  0.7, 2.5, 5.2, 6.4 respectively.

 ???

What is the initial concentration of SO3?

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Re: Chemical Equilibriums
« Reply #5 on: May 08, 2006, 05:07:17 PM »
Use the initial concentrations to find the value of the equilibrium constant

Next, use the ICE Method to find the amount of SO2 needed.
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